Ichthyology Fish Scientific Names

What is this fish?

Eptatretus stoutii (Pacific Hagfish)

What is this fish?

Entosphenus ammocoete

What is this fish?

Lampetra ammocoete

What is this fish?

Lampetra richardsoni (Western Brook Lamprey)

What is this fish?

Entosphenus tridentatus (Pacific Lamprey)

Top tooth three-pronged

Hydrolagus colliei (Spotted Ratfish)

Just how it looks lol

Prionace glauca (Blue Shark)

Very long pectoral fins

Triakis semifasciata (Leopard Shark)

Patterning

Galeorhinus galeus (Soupfin Shark)

Dorsal and an@l fins are the same size

Mustelus henlei (Brown Smoothhound)

Fins frayed

Apristurus brunneus (Brown Cat Shark)

Dorsal fin spineless, located very far back

Squalus suckleyi (Pacific Spiny Dogfish)

Dorsal fin has spine

Carcharodon carcharias (White Shark)

Tooth has ridges

Lamna ditropis (Salmon Shark)

Tail has 2 keels

Notorynchus cepedianus (Sevengill Shark)

Broad, flat nose; 7 gills on each side

Beringraja binoculata (Big Skate)

Ocelli on wings, flat and pointed head

Myliobatis californica (Bat Ray)

Head thicker than body; tail whip-like with stinging barb

Acipenser medirostris (Green Sturgeon)

Scute after dorsal fin; longer nose; barbels closer to mouth

Acipenser transmontanus (White Sturgeon)

No scute after dorsal fin; shorter nose; barbels closer to tip of snout

Clupea pallasii (Pacific Herring)

Silver; large mouth; countershading

Engraulis mordax (Northern Anchovy)

Very wide mouth

Dorosoma petenense (Threadfin Shad)

Threadlike ray on dorsal fin; one spot posterior to opercle

Sardinops sagax (Pacific Sardine)

Multiple lines of spots

Alosa sapidissima (American Shad)

Keel on the belly; one row of spots

Carassius auratus (Goldfish)

No barbels, quite rotund. Just look at him.

Cyprinus carpio (Common Carp)

barbels

Cyprinella lutrensis (Red Shiner)

Dark band behind operculum; band in caudal peduncle

Notemigonus crysoleycas (Golden Shiner)

Keel; if a goldfish and a pikeminnow had a baby lowkey

Hesperoleucus symmetricus (California Roach)

Subterminal mouth; strong countershading

Mylopharodon conocephalus (Hardhead)

Upterminal mouth; frenum (literally where?)

Ptychocheilus grandis (Sacramento Pikeminnow)

Very long face; just looks like a pikeminnow

Orthodon microlepidotus (Sacramento Blackfish)

Very small scales; large gills; dark myosepta (or what looks like myosepta)

Pimephales promelas (Fathead Minnow)

First fin ray shorter; has a very fat head

Pogonichthys macrolepidotus (Sacramento Splittail)

Larger top caudal fin lobe; skinny aah goldfish

Rhinichthys osculus (Speckled Dace)

Screwed up his self-tan

Siphateles bicolor (Thui Chub)

Upterminal mouth; “deep caudal peduncle” or whatever

Catostomus occidentalis (Sacramento Sucker)

Larger scales

Catostomus rimiculus (Klamath Smallscale Sucker)

very small scales; why he look like that tho; he’s so melted

Ictalurus punctatus (Channel Catfish)

Spotting; why he looking at me like that tho

Ameiurus nebulosus (Brown Bullhead)

Dark chin barbels

Ameiurus natalis (Yellow Bullhead)

White chin barbels