Ichthyology Misc

Most diversified order of fish

Perciformes

Which fish lays the most eggs?

Greasy grouper

Which fish has whole body endothermy?

Opah

What is the longest teleost?

Oarfish

What family of fish has the most biomass in the ocean?

Family Myctopihdae (Lanternfish)

What genus is the most abundant?

Cyclothone

#1 aquaculture fish in the USA?

Catfish

#1 aquaculture fish worldwide?

Grass carp

#1 fish caught in wild?

Peruvian anchoveta

#1 fish caught in wild for direct consumption?

Walleye pollock

Largest fish in the world?

Whale shark

Largest bony fish in the world?

Mola mola

Largest marine bony fish in the world?

Mola mola

Largest freshwater fish in the world?

Beluga sturgeon

Longest freshwater bony fish besides sturgeons?

Arapaima

Largest freshwater fish in North America?

White sturgeon

Largest freshwater fish in South America?

Arapaima

Top 3 orders of fish?

Cypriniformes, Siluriformes, Perciformes

Top 3 families of fish?

Cyprinidae, Cichlidae, Gobiidae

Examples of anadromous fish?

Lamprey, salmon, sturgeon, clupeids, osmerids, moronids

Examples of catadromous fish?

Eels, mullets, galaxiids

Examples of amphidromous fish?

herrings, galaxiids, gobies, southern grayling

Why use fish in biomedical research?

High fecundity, short generation time, transparent embryos, easy breeding, low maintenance cost, easy maintenance of large numbers of fish in a small space

First vertebrate to have sex in space?

Japanese Killifish Medaka