Old pictures of killifish I kept and bred. I've always been a terrible photographer though.
Possibly some species of molly? Captured during fish relocation efforts prior to channel dewatering.
Rows of black spots on dorsal and caudal fins. No spots or stripes on sides. Light gray on top. Yellow and blue iridescence on sides.
Moderate debris, fairly deep, fairly shaded.
Blacktail Topminnow, found at multiple sites. Found in the morning, moderate debris, fairly deep water. Shaded area.
San Diego County, California, US
In the pond. Very small, less than an inch in length. Plentiful -the school must have had at least 36 individuals visible
The Cyprinodontiformes /ˌsaɪprɨnɵˌdɒntɨˈfɔrmiːz/ is an order of ray-finned fish, comprising mostly small, fresh-water fish. Many popular aquarium fish, such as killifish and live-bearers, are included. They are closely related to the Atheriniformes and are occasionally included with them. A colloquial term for the order as a whole is toothcarps, though they are not actually close relatives of the true carps – the latter belong to the superorder Ostariophysi, while the toothcarps are Acanthopterygii.