Colomesus asellus 

• Diet: Mollusks, Crustaceans 
• Range: South America (freshwater) 
• Conservation: Least Concern 

Scleropages formosus 

• Diet: Insects, Fish, Small Vertebrates 
• Range: Southeast Asia (freshwater) 
• Conservation: Endangered 

Hypanus sabinus 

• Diet: Worms, Crabs, Shellfish, Shrimp, Small Fish 
• Range: Western North Atlantic (including brackish and freshwater) 
• Conservation: Least Concern 

Diodon holocanthus 

• Diet: Mollusks, Urchins, Crustaceans 
• Range: East and West coast of Africa, Indo-Pacific 
• Conservation: Least Concern 

Astyanax mexicanus 

• Diet: Scavengers 
• Range: Central American Caves 
• Conservation: Least Concern 

Neoniphon vexillarium 

• Diet: Gastropods, Octopus, Squid, Fishes 
• Range: Western Atlantic 
• Conservation: Least Concern 

 Sepia bandensis 

• Diet: Shrimp, Crabs, Fish 
• Range: Indo-Pacific 
• Conservation: Data Deficient 

Electrophorus electricus 

• Diet: Amphibians, Fish, Crustaceans 
• Range: South America (freshwater) 
• Conservation: Least Concern 

Devario aequipinnatus 

• Diet: Worms, Small Crustacenas, Insect Larvae 
• Range: Asia, Central Asia (freshwater) 
• Conservation: Least Concern 

Limulus polyphemus 

• Diet: Worms, Clams, Algae 
• Range: Wester North Atlantic and Gulf Coast 
• Conservation: Vulnerable

Acipenser fulvescens 

• Diet: Invertebrates 
• Range: North America, Great Lakes Basin, Mississippi River Basin 
• Conservation: Endangered 

Acipenser fulvescens 

• Diet: Snails, crustaceans, mussels, aquatic insects, small fish, and fish eggs 
• Range: North America, Great Lakes Basin, Mississippi River Basin
• Conservation: Endangered 

Hippocampus erectus 

• Diet: Small Crustaceans 
• Range: Western Atlantic, Gulf of Mexico 
• Conservation: Vulnerable 

Pterois volitans 

• Diet: Small Crustaceans, Fish 
• Range: Indo-Pacific (Invasive; introduced to U.S. Atlantic and Gulf Coasts) 
• Conservation: Least Concern 

Lepisosteus osseus 

• Diet: Crustaceans, Insects, Fish 
• Range: Mississippi River Basin 
• Conservation: Least Concern 

Aurelia aurita 

• Diet: Zooplankton 
• Range: Northeast Pacific 
• Conservation: Not Listed 

Fundulus heteroclitus 

• Diet: Varied 
• Range: Atlantic Coast 
• Conservation: Least Concern 

Chrysaora fuscescens 

• Diet: Zooplankton, Other Jellies 
• Range: Pacific 
• Conservation: Not Listed 

Eumicrotremus orbis 

• Diet: Crustaceans, Worms, Mollusks 
• Range: Northern Pacific, Bering Sea 
• Conservation: Data Deficient 

Sebastes spp 

• Diet: Plankton, Small Crustaceans, Fish 
• Range: Pacific 
• Conservation: Least Concern 

Scardinius erythrophthalmus 

• Diet: Plankton, Insects, Plants 
• Range: Eurasia (Highly invasive in the U.S.) 
• Conservation: Least Concern 

Lepisosteus platostomus 

• Diet: Crustaceans, Insects, Fish 
• Range: Mississippi River Basin 
• Conservation: Least Concern 

Hypostomus plecostomus 

• Diet: Detritus, Algae, Plankton 
• Range: South America (Invasive in Southern US and Hawaii) 
• Conservation: Least Concern 

Cephaloscyllium ventriosum 

• Diet: Fish, Crustaceans 
• Range: Monterey, California to Southern Mexico, Chile 
• Conservation: Least Concern 

Amphiprion percula 

• Diet: Plankton, Algae, Worms, Crustaceans 
• Range: Indonesian waters off Northern Queensland, Australia, and Melanesia 
• Conservation: Least Concern 

Cassiopea spp. 

• Diet: Zooxanthellae, Zooplankton 
• Range: Indo-Pacific, Caribbean, Southern Florida [Invasive in Hawaii] 
• Conservation: Not Listed 

Chiloscylium plagiosum 

• Diet: Invertebrates, Crustaceans, Small Fish 
• Range: Indo-West Pacific 
• Conservation: Near Threatened 

Urobatis jamaicensis 

• Diet: Worms, Crabs, Shellfish, Shrimp, Small Fish 
• Range: Western Atlantic 
• Conservation: Least Concern 

Lepomis gibbosus 

• Diet: Insects, mollusks, crustaceans, smaller fish, and worms 
• Range: Northeastern half of U.S. and some parts of Canada. Introduced populations occur all over North America and Europe 
• Conservation: Least Concern 

Lepomis macrochirus 

• Diet: insects, mollusks, crustaceans, smaller fish, and worms 
• Range: Native to almost all of the Eastern U.S. but Introduced all over North America 
• Conservation: Least Concern 

Perca flavescens 

• Diet: insects, mollusks, crustaceans, smaller fish, and worms
• Range: Northeastern U.S. and much of lower Canada. Introduced in varying areas across the Western U.S. 
• Conservation: Least Concern 

Ictalurus punctatus 

• Diet: Insects, mollusks, crustaceans, smaller fish, worms, snakes, and even small birds.
• Range: Southern Canada to Northern Mexico through much of the Eastern portion of North America. Introduced populations exist throughout the rest of the U.S. 
• Conservation: Least Concern 

Ameiurus nebulosus 

• Diet: Algae, insects, mollusks, crustaceans, and smaller fish 
• Range: Native to much of Eastern North America but introduced to various parts of the West plus other U.S. Territories 
• Conservation: Least Concern 

Pomoxis annularis 

• Diet: Small fish, insects, and crustaceans 
• Range: The Great Lakes down to the Gulf of Mexico. Introduced populations exist throughout the U.S. 
• Conservation: Least Concern 

Micropterus salmoides 

• Diet: Other fish, insects, crustaceans, amphibians, lizards, snakes, and even small birds 
• Range: Native from the Great Lakes down to the Gulf of Mexico. Introduced in various other areas of the U.S. and Canada 
• Conservation: Least Concern 

Petromyzon marinus 

• Diet: Parasitically, they feed primarily on large fish 
• Range: North Atlantic Ocean from North America to Europe. Introduced to the Great Lakes Region 
• Conservation: Least Concern 

Etheostoma sp. 

• Diet: Insects, insect larvae, snails, and small crustaceans 
• Range: All Darter species are endemic to North America 
• Conservation: Varies based on species 

Luxilus cornutus 

• Diet: Insects, small fish, small crustaceans, and algae 
• Range: Nearly the entirety of Northeastern North America 
• Conservation: Least Concern 

Tenodera sinensis 

• Diet: Primarily other insects but can prey on arachnids, small reptiles, amphibians, and even small birds 
• Range: Native to most of Asia but is Invasive to Northeastern North America. 
• Conservation: No Official Status but is likely far from Endangered 

Romalea microptera 

• Diet: shrubs, herbs, broadleaf weeds, and forbs 
• Range: Southeastern U.S. 
• Conservation: No Official Status 

Cepaea nemoralis 

• Diet: Dead or decaying plants 
• Range: Most of Europe but Introduced to Northeastern U.S. 
• Conservation: Least Concern 

Asbolus verrucosus 

• Diet: Dead insects, rotting plants & seeds, fungus, and lichen 
• Range: Southwestern U.S. 
• Conservation: No Official Status 

Archispirostreptus gigas 

• Diet: Fresh or rotting fruits, vegetables, and leaves 
• Range: Eastern Africa 
• Conservation: Least Concern