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What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

March 22, 2014

Place

(Somewhere...)

Description

Dive master Keith M aka Mr Lobos filmed this white shark in Point Lobos- Bluefish Cove

Photos / Sounds

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What

leopard Shark Triakis semifasciata

Observer

sharksteward

Date

March 22, 2014

Description

Baby Leopard Shark reported in shallows at beach near Alameda. Reported by Diane Rossini.

Diane C. Rossini Sure, It was on 3/22/14 1pm-ish about an hour after low tide in Crab Cove, Alameda. Directly in front of the visitors center, a few meters to the right of the end of the stone sea wall. He was approx 18 inches in length

Photos / Sounds

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What

Whitespotted Gummy Shark Mustelus stevensi

Observer

sharksteward

Date

March 29, 2013

Description

A smooth hound (Gummy Shark) swimming near the shark net outside the cove at Watsons Bay, Australia

Photos / Sounds

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What

Spiny Dogfish Squalus acanthias

Observer

sharksteward

Date

October 11, 2013

Description

Spiny Dogfish caught and released without tag as part of shark survey. Paradise Cove

Photos / Sounds

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What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

the past

Description

A man who was bitten by a shark while surfing off the Northern California coast over the weekend is expected to survive.

Samoa Peninsula Fire District Chief Dale Unea said the man was bitten on the upper left thigh Sunday morning near Humboldt Bay close to Eureka, KTVU-TV reported.

The man, whose identity was not released, paddled to shore and met rescue crews about 8:45 a.m. He was aided by other surfers, who wrapped his wound and kept him warm.

The injury was minor, authorities said, and the man is expected to survive.

Another surfer, Scott Stephens, also survived a shark attack in the same area last year.

Photos / Sounds

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What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

August 14, 2013

Description

Male white sharks - at least 7 different individual ranging from 10-15 feet. Two had tags. Two had polypropylene line in their mouths. Observed as part of a shark identification project on an ecotourism trip provided by Great White Adventures.

Photos / Sounds

No photos or sounds

What

Leopard Shark Triakis semifasciata

Observer

sharksteward

Date

August 20, 2013

Place

La Jolla Cove, Califronia (Google, OSM)

Description

While snorkeling the shallows I observed approximately 30 female Leopard sharks aggregating in the shallows at the east end of the cove. This is an annual aggregation and it is thought that the females come into the warm shallows to incubate their developing embryos.
http://youtu.be/Bazm7imaxb4
A blog on these sharks is on our web site.
Want to learn more or help support our work fighting shark finning or the shark fin trade please visit www.sharkstewards.org.

Photos / Sounds

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What

Brown Smooth-hound Mustelus henlei

Observer

sharksteward

Date

August 17, 2013

Description

A fishermen caught and released this small hound shark off the China Camp Pier

Photos / Sounds

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What

Salmon Shark Lamna ditropis

Observer

sharksteward

Date

August 5, 2013

Description

A salmon Shark was observed rolling in the waves at Vincente Street, Ocean Beach
Photo courtesy PSRF

Photos / Sounds

No photos or sounds

Observer

sharksteward

Date

August 7, 2013

Photos / Sounds

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What

Salmon Shark Lamna ditropis

Observer

sharksteward

Date

August 7, 2013

Description

Adult Female Salmon Shark photographed swimming at surface near Hyde Street Pier. These sharks resemble juvenile white sharks and are commonly misidentified as such.

Photos / Sounds

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What

Salmon Shark Lamna ditropis

Observer

sharksteward

Date

August 7, 2013

Description

Adult Female Salmon Shark photographed swimming at surface near Hyde Street Pier. These sharks resemble juvenile white sharks and are commonly misidentified as such.

Photos / Sounds

No photos or sounds

What

great white Shark Carcharodon carcharias

Observer

sharksteward

Date

February 14, 2013

Place

(Somewhere...)

Description

Surfer Mark Hull identifies great white shark preying on sea lion off Moss landing State beach. Positive ID, 10-12 feet. 100 yards offshore/

Photos / Sounds

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What

Bat Ray Myliobatis californica

Observer

sharksteward

Date

April 15, 2013

Description

Several strandings of Bat Rays have been observed in a tributary of Redwood Creek. Water diversions and tides have resulted in low water levels and possible toxins may have lead to this incident similar to one occurring in 2011. Source: Pelagic Shark Research Foundation.

Photos / Sounds

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What

Brown Smooth-hound Mustelus henlei

Observer

sharksteward

Date

April 16, 2013

Description

Brown Smoothound shark Mustelus henlei observed stranded in a shallow tidal pool in south bay near Foster city. Located south of San Mateo bridge, near region where Bat rays have washed up and a county sign posting water unsafe.

Reported to us by Pelagic Shark Research Foundation.

Photos / Sounds

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What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

October 30, 2012

Description

Two great white sharks battled from Manhattan Beach Pier
A fisherman on Manhattan Beach Pier hooked two great white sharks Tuesday, one estimated to measure 5-6 feet and the other 7-8 feet.

Both sharks were cut loose after being reeled to the surface and both catches were witnessed by Eric Martin, director of the Roundhouse Marine Studies Lab and Aquarium at the end of the pier.

White sharks are protected off California and landing them is illegal.

While the unnamed angler released both specimens, and may not have broken any laws, he appears to have been walking a fine line.

"He has steel leaders, and I looked in his bucket and saw that he's using large dead mackerel for bait, so he seems to be fishing for this stuff," Martin said.

These were the fifth and six white shark battles Martin has witnessed from the pier since mid-July. The first incident became tense because the angler was insistent on gaffing and hauling his catch onto the pier. He consented to let Martin cut the line only after a heated argument and a threat to call the police.

There has been a large abundance of market-sized squid in South Bay waters in recent weeks. This could be attracting rays, small sharks and and other prey items preferred by juvenile white sharks.

"It's so weird because I've also seen two swim-bys recently, including one that involved about a 7-footer that ended up about 20 feet from a surfer," Martin said. "The surfer had no idea."

--Image showing second of two white sharks hooked Tuesday on Manhattan Beach Pier is courtesy of Eric Martin

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

September 26, 2012

Description

The Las Angeles Times reported a shark was sighting by a surfer in the Santa Barbara Harbor. The surfer said that the shark charged directly in front of him but not at him, as if chasing something.

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

September 17, 2012

Description

A Great White Shark was spotted in Monterey Bay off of a Moss Landing harbor mouth. It was seen by a Blue Ocean Whale Watch Tour and confirmed by Cummings, a naturalist who estimated that the shark was at least 20 feet.Sean Van Sommeran of the Pelagic Shark Research Foundation toured the coast both Friday and Saturday with Specialized Helicopters, spotting and photographing great whites on both days.

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

July 23, 2011

Description

Confirmed shark sighting. Species likely a great White Shark from the description

From the Shark Research Committee:

On July 20, 2011, Myung Kil was surfing at Ocean Beach, San Francisco, almost opposite Beach Chalet. It was about 8:30 AM and he had been on the water 45 minutes. The sky was clear with air and water temperatures estimated in the low 60s and 50s Fahrenheit, respectively. The ocean was calm with decent swells for good small to midsized surf. No marine mammals were observed in the area. Kil reported: “I was waiting on my board for a set, looking outbound when slightly to my left, perhaps 10 o’clock and about 25 yards away, I saw a fairly large triangle fin a good foot to foot and a half and part of the sharks brownish back exposed from the trough of an incoming swell. It was moving perpendicular to me, cruised under the incoming swell and disappeared. I don’t recall much water thrashing when the shark broke the surface. I’d seen birds dive into the ocean for baitfish previously. I waited for seconds, registering that I had seen a shark, looked at the other surfers around me then saw a decent wave to catch back to shore perhaps minutes later. The shark had a very large dorsal fin, light and water shimmered on the back end of the shark, which was visible slightly out of the swell for a moment. In the light, and water, the shark looked brownish and I would guess 8 feet in length from my perspective.”

Photos / Sounds

No photos or sounds

What

Leopard Shark Triakis semifasciata

Observer

sharksteward

Date

July 26, 2012

Description

Sighting at Steinhart Aquarium Provided by docent Gail Hurley

Collected along the Pacific Shore, these sharks are also part of our San Francisco Bay Shark Study, where we catch, tag, measure, sample for DNA and release.

AXONOMY

CLASS Elasmobranchii (sharks and rays)

ORDER Carcharhiniformes (Ground sharks)

FAMILY Triakidae (Houndsharks)

GENUS/SPECIES Triakis semifasciata,

GENERAL CHARACTERISTICS
Short, broadly rounded snout. First dorsal fin is moderately large and its origin is over the pectoral fins inner margins. Second dorsal fin is nearly as large as the first one. Anal fin much smaller than the second dorsal fin. Pectoral fins broadly triangular. Grey to bronze-grey upper body with dark saddles and dots and a light ventral (bottom) surface. Max length : 198 cm or 78 in.

DISTRIBUTION/HABITAT
Common from Oregon state to Baja California,Mexico. Prefers sandy and rock-strewn substrate near rocky reefs. Most commonly in enclosed muddy bays, including estuaries and lagoons, typically at less than 3.7 m or 13 ft depth, but ranges to 91m or 300 ft.

DIET IN WILD

Fishes (especially northern midshipman, sanddab, shiner perch, bat rays and smoothhounds), siphons of clams, crustaceans such as crabs and shrimp. Feeds heavily on fish eggs (herring, jacksmelt and topsmelt) attached to rocks and plants.

REPRODUCTION

Ovoviviparous. Litters 4–29. Young average 21 cm or 8 in at birth.

PREDATORS

Can live to at least 30 years. Part of the commercial shark fishery and very popular as a sport “fish.” Preyed upon by other sharks.

REMARKS

In San Francisco Bay, leopard sharks tend to remain in the Bay throughout the year, with some emigration during fall and winter.
Fossils of leopard sharks have been discovered in deposits dated to more than 1,000,000 years old in southern California.

Rocky Coast Main Tank CC06

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

July 7, 2012

Description

A white shark approximately 14 feet long was observed approximately 20 yards off Rio Del Mar. Authorities recommended staying out of the water and posted warnings. No encounters were reported. It is common for white sharks to swim off our coastline and encounters with humans are extremely rare.

Photos / Sounds

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Observer

sharksteward

Date

July 7, 2012

Description

A white shark estimated at 14 feet knocked a man fishing off his kayak in 40 feet of water. He was able to climb aboard another vessel and return to land safely. This appears to be a typical investigatory event and not an attack.
Pleasure Point is a popular surfing beach and there were no other incidents.

Photos / Sounds

No photos or sounds

What

Great white shark Carcharodon carcharias

Observer

sharksteward

Date

April 25, 2010

Place

(Somewhere...)

Description

White Shark Attack Victim was swimming when attacked, fatal

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

September 21, 2002

Description

Garry Turner was bodyboarding when he was attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

April 21, 1998

Description

John Forse was surfing when attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

September 21, 1994

Description

Rob MacKenzie was surfing when attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

August 19, 2003

Description

Deborah B. Franzman was swimming when attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

November 28, 2002

Description

Michael J. Casey was bodyboarding when he was attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

September 22, 2002

Description

Reed Richards was surfing when attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

Photos / Sounds

No photos or sounds

What

Great White Shark Carcharodon carcharias

Observer

sharksteward

Date

May 31, 2002

Description

Lee Fontan was surfing when attacked.
Source: McCosker, J.E. and R.N. Lea. 2006. White Shark Attacks Upon Humans in California and Oregon, 1993-2003. Proceedings of the California Academy of Sciences 57(17):479-501. (230)

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