Photos / Sounds

Observer

mtank

Date

September 16, 2020 11:58 AM ACST

Description

Spot the difference. The first image is the subject gastropod. The second shows it alongside a didemnid ascidian, its food source.

Photos / Sounds

Observer

brembo

Date

March 2, 2020 01:43 PM +11

Photos / Sounds

What

Amphipods Order Amphipoda

Observer

mtank

Date

November 2, 2020 12:47 PM ACDT

Photos / Sounds

What

Sponges Phylum Porifera

Observer

marinejanine

Date

April 14, 2017

Photos / Sounds

What

Demosponges Class Demospongiae

Observer

mtank

Date

May 23, 2020 11:21 AM ACST

Photos / Sounds

What

Sponges Phylum Porifera

Observer

mtank

Date

October 14, 2020 11:16 AM ACDT

Description

The large orange one

Photos / Sounds

Observer

jennyduggin

Date

February 17, 2019

Photos / Sounds

What

Knifesnout Pipefish Hypselognathus rostratus

Observer

davemmdave

Date

October 20, 2020 01:41 PM ACDT

Description

Adult in ~0.7-1.0 m depth via snorkel early on rising pm tide

Photos / Sounds

What

Crested Pipefish Histiogamphelus briggsii

Observer

davemmdave

Date

October 20, 2020 12:54 PM ACDT

Description

Courting pair,wonderful to observe in clear calm water a few metres off beach.

Photos / Sounds

Observer

mtank

Date

October 1, 2020 11:14 AM ACST

Photos / Sounds

What

Sea Squirts Class Ascidiacea

Observer

wamoz

Date

October 18, 2020 12:04 PM ACDT

Description

Sample collected for identification.

Photos / Sounds

What

Overgrowing Tunicates Family Didemnidae

Observer

wamoz

Date

October 18, 2020 12:00 PM ACDT

Description

Sample collected for identification.

Photos / Sounds

Observer

wamoz

Date

October 17, 2020 10:54 AM ACDT

Description

Very interesting structure

Photos / Sounds

Observer

wamoz

Date

October 17, 2020 12:06 PM ACDT

Description

Collected for identification.

Photos / Sounds

Square

What

Common Biscuit Star Tosia australis

Observer

ronigreer

Date

Missing Date

Description

Observation split as not same species.
Tosia neossia on left, Tosia australia at right. Thanks All.

Photos / Sounds

Observer

mtank

Date

September 20, 2020 12:56 PM ACST

Description

Specimen collected under permit. More images to follow

Photos / Sounds

Observer

mtank

Date

October 4, 2020 12:51 PM ACDT

Photos / Sounds

Observer

mtank

Date

October 4, 2020 01:01 PM ACDT

Photos / Sounds

Square

Observer

johneichler

Date

October 25, 2012

Photos / Sounds

Observer

mtank

Date

August 5, 2020 12:06 PM ACST

Photos / Sounds

Observer

mtank

Date

June 24, 2020 12:33 PM ACST

Photos / Sounds

Observer

mtank

Date

August 9, 2020 02:16 PM ACST

Photos / Sounds

Square

Observer

streglystendec

Date

November 24, 2018 01:28 PM ACDT

Description

Inter-tidal reef at low tide, Bagwash, Edithburgh, York Peninsula.

Photos / Sounds

Square

What

Gulfweed Crab Planes minutus

Observer

paddy18

Date

November 3, 2016 06:22 AM NZDT

Photos / Sounds

What

Little Shore Crab Brachynotus spinosus

Observer

streglystendec

Date

September 17, 2020 10:37 AM ACST

Description

On inter-tidal reef at low tide.

Photos / Sounds

What

Little Shore Crab Brachynotus spinosus

Observer

streglystendec

Date

October 30, 2019 08:47 AM ACDT

Description

Under limestone slab on flat limestone reef at low tide.

Photos / Sounds

Square

Observer

mtank

Date

April 10, 2020 11:27 AM ACST

Photos / Sounds

What

Striped Green Sea Anemone Diadumene lineata

Observer

questagame

Date

April 23, 2019 10:41 AM AEST

Description

Sighting and photos (c) amegilla_sa.
Field Notes - I came across these strange creatures/plant life on one of the jetty pylons at low tide. It was only visible on 1 pylon, clustered amongst the Galeolaria at the intertidal zone. They appear grape like in size and texture, olive brown in colour with thin red lines radiating out from a central point. Wondered if they were some form of anemone?

Photos / Sounds

Observer

mtank

Date

September 11, 2020 02:55 PM ACST

Photos / Sounds

Square

What

Sea Butterflies Order Pteropoda

Observer

mbartick

Date

January 9, 2018 07:15 PM AWST

Photos / Sounds

What

Deepbody Pipefish Kaupus costatus

Observer

davemmdave

Date

September 1, 2020 03:30 PM ACST

Description

This is another female.After finding the 1st female (see previous observation) I searched her immediate vicinity (a few metres diameter) hoping to spot a male partner.No luck.Having taken what I hoped were adequate pics of the 1st female,who scarcely moved more than about 30 cm from where I'd found her during the multiple strobe flashes and despite quite strong tidal flow,I moved away to image some other subjects e.g. gobies and gastropods.I then decided to return for more photographs of the lone female.I could not locate her,despite careful scrutiny.But I then noticed another,paler,greener and slightly smaller Deepbody Pipefish ,within a metre of where I'd left the first,more red-brown female. Initially I was fairly sure I'd lucked upon the 'absent' male of a breeding pair.
But as is now apparent(per Janine's comment below) my gender speculation was wrong

[My speculation hinged on these being the only 2 of this species I saw on this snorkel,their mildly different colouration, and their being very close to each other,albeit not observed together ]

The snorkel depth was from 0 to ~3 m (mostly less than 2 m), with much healthy Zostera grass along with silty muddy bare areas,scanty algae,and of course mangrove-lined banks]

Tags

dsm

Photos / Sounds

Observer

mtank

Date

August 5, 2020 12:32 PM ACST

Photos / Sounds

Square

What

Hairy Pistol Prawn Alpheus villosus

Observer

jimbobo

Date

January 3, 2012 02:04 AM HST

Description

Night Dive!

Photos / Sounds

What

Knifesnout Pipefish Hypselognathus rostratus

Observer

discoslug

Date

July 25, 2020

Description

Noticed the pipefish adopting a near vertical posture very different to other species I encounter frequently.

Photos / Sounds

Square

What

Shorthead Seahorse Hippocampus breviceps

Observer

sascha_schulz

Date

December 24, 2018 08:51 AM AEDT

Description

"The raft of the Hippocampus"

Photos / Sounds

Observer

mtank

Date

July 18, 2020 09:08 AM ACST

Photos / Sounds

What

Four-and-four Sea Star Allostichaster polyplax

Observer

wamoz

Date

April 8, 2020 12:15 PM ACST

Description

These were numerous under rocks on the exposed reef - an area normally under water.
Most were irregularly shaped, having different numbers and sizes of 'arms' - see image #3 for close-up.
Regeneration could be an explanation if it were one specimen ... ?!

Photos / Sounds

Square

What

Sea Squirts Class Ascidiacea

Observer

mtank

Date

May 28, 2020 02:29 PM ACST

Description

A small solitary ascidian, approx 12mm long

Photos / Sounds

Observer

wamoz

Date

June 2, 2020 03:34 PM ACST

Description

Another example of this bi-colour tunicate.

Photos / Sounds

What

Star Tunicate Botryllus schlosseri

Observer

wamoz

Date

June 20, 2020 01:04 PM ACST

Description

One of several varieties and numerous specimens attached to storm-generated algae wrack.

Photos / Sounds

What

Green Solitary Coral Homophyllia australis

Observer

wamoz

Date

June 20, 2020 01:15 PM ACST

Description

This was rock-hard ... like a coral.

Photos / Sounds

Observer

cobaltducks

Date

May 2, 2020 02:31 PM ACST

Photos / Sounds

Observer

mtank

Date

April 14, 2020 02:07 PM ACST

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Square

What

Elongate Chiton Ischnochiton elongatus

Observer

mtank

Date

April 10, 2020 12:13 PM ACST

Photos / Sounds

Square

Observer

mtank

Date

March 28, 2020 01:01 PM ACDT

Photos / Sounds

What

Banded Venerid Tawera lagopus

Observer

wamoz

Date

March 20, 2020 02:51 PM ACDT

Description

First time found as beach-cast ... the previous one I found came up from the deep - see https://www.inaturalist.org/observations/37077710

Photos / Sounds

Square

What

Asian Date Mussel Arcuatula senhousia

Observer

predomalpha

Date

September 21, 2019 03:26 AM NZST

Description

Live, removed from a rope that was hanging in the water, most likely reaching the bottom.

Photos / Sounds

Square

What

Rosette Barnacle Tetraclitella purpurascens

Observer

simongrove

Date

January 27, 2004 12:46 PM AEDT

Description

Tetraclitella purpurascens

Photos / Sounds

What

Banded Venerid Tawera lagopus

Observer

wamoz

Date

December 30, 2019 07:55 AM ACDT

Description

This came up from about 50 feet attached to an Eleven Arm Star that had wrapped itself around a baited hook - see https://www.inaturalist.org/observations/37148831.
The thing that caught my eye is the combination of lateral and radial ridges.
The shell was quite thick too.
One of the many Venus Clam (Irus) species perhaps?

Photos / Sounds

What

Little Shore Crab Brachynotus spinosus

Observer

questagame

Date

April 19, 2019 03:22 PM AEST

Description

Sighting and photos (c) mirrabookman.
Field Notes - Small crab approx. 45mm across the legs. Found in a shallow intertidal rock pool. Very fast moving and was difficult to film. Could possibly be a Leptograpsodes octodentatus (H. Milne Edwards, 1837). Very pronounced mottled colouring with purpky grey and orange carapace dotted with small brown or purple spots. Eyes a distinct Letter C shape, with mottled edges. Small hairs on parts of the legs and around the fringe of the carapace.

Photos / Sounds

Square

What

Globefish Diodon nicthemerus

Observer

wamoz

Date

May 26, 2019 12:44 PM ACST

Description

A fairly 'solid' specimen.

Photos / Sounds

Square

What

Beautiful Deliochus Spider Deliochus pulchra

Observer

johneichler

Date

December 31, 2016 12:52 PM AEDT

Photos / Sounds

Square

What

Moonlighter Tilodon sexfasciatus

Observer

davemmdave

Date

January 31, 2020 03:36 PM ACDT

Description

Two juveniles on rising tide.

Photos / Sounds

Square

What

Mcneill's Coral Australaraea mcneilli

Observer

trekh

Date

March 20, 2019 10:55 AM ACDT

Photos / Sounds

What

Western Talma Chelmonops curiosus

Observer

davemmdave

Date

March 27, 2014 01:59 PM ACDT

Description

Young adult on bottom under old jetty.

Photos / Sounds

Square

What

Red Velvetfish Gnathanacanthus goetzeei

Observer

johnturnbull

Date

January 18, 2020 02:28 PM AEDT

Description

Another rare find in the Derwent River, Hobart, during our thorough search for red handfish - the red velvetfish is rarely seen during the day, and populations are thought to have declined substantially in recent years

Photos / Sounds

What

Ringback Pipefish Stipecampus cristatus

Observer

sascha_schulz

Date

December 23, 2019

Photos / Sounds

What

Leafy Seadragon Phycodurus eques

Observer

davemmdave

Date

December 19, 2018 02:32 PM ACDT

Description

2 very unsharp pics of a very juvenile Leafy Seadragon,found @ 11-12 m depth on high-relief rock reef,boat dive from 'Arriba'.

Photos / Sounds

Square

What

Beaded Samphire Salicornia quinqueflora

Observer

davemmdave

Date

April 30, 2015 04:19 PM ACST

Description

Backlit by arvo sun, south bank of Onkaparinga Estuary.

Photos / Sounds

What

Ostracods Class Ostracoda

Observer

lek

Date

May 28, 2017 10:27 AM NZST

Description

≈ 1 mm. In a long-flooded plant container.

Photos / Sounds

What

Cyclopoid Copepods Order Cyclopoida

Observer

grahame

Date

July 2, 2018

Description

In water from the main pond.
Measurements on image 4

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Square

Observer

carranya

Date

December 26, 2014

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Square

What

Blackheaded Skimmer Crocothemis nigrifrons

Observer

reiner

Date

December 11, 2018 10:01 PM AEDT

Photos / Sounds

Square

What

Tau Emerald Hemicordulia tau

Observer

reiner

Date

November 30, 2014

Description

This dragonfly nymph was crawling up a concrete wall, near a flowing drain, looking for a good place to hatch. At places like this artificial drain with its concrete walls it is often easy to see dragonflies emerging and hatching overnight. I also saw exuviae near the top of the bridge, a three metre vertical climb. I saw three species here this evening. They run the gauntlet of spiders at night and then also need to hatch and get their bodies morphed so they can fly off to a safe perch at first light before the birds become active. This one turned into a male Hemicordulia tau, a very widespread and common species.

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What

Red and Blue Damsel Xanthagrion erythroneurum

Observer

reiner

Date

February 28, 2019 10:25 AM AEDT

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Square

What

Damselflies Suborder Zygoptera

Observer

naturehoodz

Date

October 19, 2019

Photos / Sounds

Square

What

Blue Ringtail Austrolestes annulosus

Observer

cosmicseacow

Date

October 7, 2019 12:47 AM UTC

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Square

What

Blue Ringtail Austrolestes annulosus

Observer

anthonypaul

Date

December 4, 2019 03:51 PM ACDT

Photos / Sounds

What

Rakali Hydromys chrysogaster

Observer

deborod

Date

June 17, 2019 12:15 PM AEST

Description

2 seen

Photos / Sounds

What

Rakali Hydromys chrysogaster

Observer

deborod

Date

July 7, 2019 01:35 PM AEST

Photos / Sounds

Square

What

Estuary Cobbler Cnidoglanis macrocephalus

Observer

debaston

Date

July 22, 2019 10:39 AM AEST

Photos / Sounds

What

Smallmouth Hardyhead Atherinosoma microstoma

Observer

davemmdave

Date

October 14, 2011 03:49 AM ACDT

Description

Multiple pics,all taken at twilight,of one fish in very shallow rocky area on snorkel.Some pics clearly show it is a client of one or more Rockpool Shrimp (Palaemon serenus).

[On that same snorkel,at around the same time,and within the same small area of about a square metre, I also witnessed several Yelloweye Mullet queued as clients, and I had wrongly claimed that I also witnessed -very fleetingly- an Alison's Blue Devil also in client pose.That was actually a Zebrafish in night dress as I very belatedly accepted, per recent update on iNat:)]

Photos / Sounds

What

Yelloweye Mullet Aldrichetta forsteri

Observer

davemmdave

Date

January 6, 2012 01:33 AM ACDT

Description

Snorkel in very shallow channel.Mix of older juveniles and I think smaller adults.

Photos / Sounds

Square

What

Bigscale Bullseye Pempheris multiradiata

Observer

ronigreer

Date

December 11, 2007 11:26 AM AEDT

Photos / Sounds

Square

What

Western Jumping Blenny Lepidoblennius marmoratus

Observer

glengitsham

Date

December 16, 2019 07:54 AM ACDT

Description

Found in about 3m

Photos / Sounds

What

Western Jumping Blenny Lepidoblennius marmoratus

Observer

danimations

Date

January 11, 2019 02:34 PM ACDT

Description

At least four animals on this one particular boulder in the shallows.

Photos / Sounds

Square

What

Leafy Seadragon Phycodurus eques

Observer

debaston

Date

February 16, 2017 01:27 PM AEST

Place

Private

Photos / Sounds

Square

Observer

johneichler

Date

April 20, 2018

Photos / Sounds

Square

What

Banksia Sea Squirt Sycozoa pulchra

Observer

peterrday

Date

November 17, 2018 02:44 PM ACDT

Photos / Sounds

Square

What

Port Jackson Shark Heterodontus portusjacksoni

Observer

davemmdave

Date

November 16, 2016 02:19 PM ACDT

Description

Adult female distressed by acutely warm, still, hypoxic water in pools and channels trapped by a very low tide on first very warm sunny day of season. Several other adults also observed and all were distressed. They'd aggregated in one or 2 slightly larger and fractionally deeper tide pools, which had sizeable low swim-throughs (submerged tunnels, with fully intact rock ceilings providing deep shade, but as time wore on presumably not much difference in water temperature) connecting the pools. And even there maximum depth was no more than 40-50cm, and they were trapped for some hours during the dodge tide under cloudless windless skies.

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What

Bluebell Tunicate Clavelina moluccensis

Observer

davemmdave

Date

February 1, 2019 11:15 AM ACDT

Description

Poor photo of colony on roof of cave.

Photos / Sounds

Square

What

Bluebell Tunicate Clavelina moluccensis

Observer

davemmdave

Date

March 20, 2012 03:20 PM ACDT

Description

Prolific colonies on almost every SA jetty each warm season.

(Later editing/addendum:actually this taxon is more prolific here in the cool season, and colonies tend to decline in the warm season but regrow each autumn and winter)

Photos / Sounds

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What

Western Cleaner Clingfish Cochleoceps bicolor

Observer

glen_whisson

Date

April 11, 2019 01:30 AM AWST

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Square

What

Spotted Pipefish Stigmatopora argus

Observer

bexlloyd

Date

November 19, 2017 03:41 PM AEDT

Description

Tiny baby pipefish, hiding in the explosion of filamentous algae balls, along with a stack of other tiny things!

Photos / Sounds

Square

What

Hairy Pistol Prawn Alpheus villosus

Observer

davemmdave

Date

January 25, 2013 03:09 PM ACDT

Description

On SACReD dive.

Photos / Sounds

What

Southern Cardinalfish Vincentia conspersa

Observer

davemmdave

Date

January 25, 2013 02:32 PM ACDT

Description

Juvenile or immature specimen on a dive under jetty.

Photos / Sounds

What

Sea Sweep Scorpis aequipinnis

Observer

danimations

Date

June 26, 2019 12:45 PM ACST

Photos / Sounds

Square

What

Yellowhead Hulafish Trachinops noarlungae

Observer

davemmdave

Date

January 25, 2019 12:12 PM ACDT

Description

Moderately common under jetty cut-water.

Photos / Sounds

Square

What

Dwarf Cushion Star Parvulastra exigua

Observer

streglystendec

Date

October 25, 2018 12:33 PM ACDT

Description

Inter tidal reef at low tide, Bamboos Beach, Yorke Peninsula

Photos / Sounds

Square

What

Shaw's Cowfish Aracana aurita

Observer

wamoz

Date

July 12, 2019

Description

Find by and image courtesy of Robin Dawson (Sellicks Beach).

Photos / Sounds

Square

What

Rainbow Cale Heteroscarus acroptilus

Observer

sascha_schulz

Date

June 8, 2009

Description

OLYMPUS DIGITAL CAMERA

Photos / Sounds

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What

Rainbow Cale Heteroscarus acroptilus

Observer

davemmdave

Date

May 31, 2019 08:08 PM ACST

Description

Male in typical inquisitive pose.

Tags

dsm

Photos / Sounds

Square

What

Rainbow Cale Heteroscarus acroptilus

Observer

davemmdave

Date

February 25, 2009 02:31 AM ACDT

Description

Depth 1 metre via snorkel

Photos / Sounds

What

Moonlighter Tilodon sexfasciatus

Observer

davemmdave

Date

December 11, 2017 01:01 PM ACDT

Description

3 images of 1-2 small juveniles in depths of less than 50cm via snorkel in large tide pool (I saw several close to each other as is often the case with juvenile Moonlighters, and that's especially so WRT these very small juveniles. Even when they don't appear to be actively offering cleaning services the tiny babes hang together in groups of 2-3 and there can be up to 5-6 all within a square metre, usually under and near a small ledge)

Photos / Sounds

What

Southern Baeolidia Baeolidia australis

Observer

keggy_buoy

Date

June 19, 2019 10:06 PM ACST

Description

I like this because I got some good shots of the underbody!

Photos / Sounds

What

Common Biscuit Star Tosia australis

Observer

keggy_buoy

Date

June 7, 2019 10:49 PM ACST

Photos / Sounds

Square

Observer

davemmdave

Date

April 27, 2013 02:37 PM ACST

Description

See previous observation by me for info.Subject is now the shell not the occupying hermit crab.

Photos / Sounds

Square

What

Common Kelp Ecklonia radiata

Observer

davemmdave

Date

April 5, 2015 01:10 PM ACST

Description

Depth 9m,boat dive North Bay

Photos / Sounds

What

Blackthroat Threefin Helcogramma decurrens

Observer

glen_whisson

Date

March 9, 2016 10:48 AM AWST

Description

male