A) Dorsal spines only B) Scales C) Barbels D) Absence of fins
A) Pectoral fin B) Adipose fin C) Anal fin D) Caudal fin
A) Ictaluridae B) Pimelodidae C) Siluridae D) Loricariidae
A) Fins B) Bony plates C) Teeth D) Barbels
A) Clariidae B) Auchenipteridae C) Sisoridae D) Bagridae
A) Measuring length B) Assessing health C) Species identification D) Determining age
A) Round and short B) Flattened and elongated C) Square and bulky D) Tall and compressed
A) Siluridae B) Ictaluridae C) Pimelodidae D) Loricariidae
A) Sensory perception B) Swimming C) Defense D) Respiration
A) Scale analysis B) Fin ray count C) Barbbel count D) Body shape
A) Saltwater B) Brackish water C) Deep sea D) Freshwater
A) Large, prominent eyes B) Lack of barbels C) Two rows of overlapping bony plates D) One long dorsal spine
A) Dietary identification and species classification B) Assessing the health of the fish C) Measuring the size of the fish D) Determining age of the fish
A) Trichomycteridae B) Amblycipitidae C) Pangasiidae D) Cetopsidae
A) Bright coloration B) Preference for warm water C) Large dorsal fin D) Activity during the night
A) Breathing B) Digestion C) Producing sound D) Detecting vibrations and pressure changes
A) Schilbeidae B) Trichomycteridae C) Plotosidae D) Mochokidae
A) Round and bulbous B) Flattened dorsoventrally C) Elongated and cylindrical D) Compressed laterally
A) Bright coloration B) Large size C) Swimming upside down D) Lack of barbels
A) Siluridae B) Malapteruridae C) Loricariidae D) Ictaluridae
A) Caudal fin B) Anal fin C) Dorsal fin D) Pectoral fin
A) Iridescent scales B) Glowing patterns C) Bright colors D) Camouflage
A) Bright stripes B) Transparent body C) Bony plates D) Large barbels
A) Fin located on the back of the fish B) Fin located on the ventral surface near the abdomen C) Fin located near the gills D) Fin located at the tail
A) Herpetology B) Ichthyology C) Ornithology D) Entomology
A) Nile River B) Yangtze River C) Amazon River D) Mississippi River
A) The study of the form and structure of organisms B) The study of genetics C) The study of animal behavior D) The study of ecosystems
A) Amphiliidae B) Akysidae C) Bagridae D) Plotosidae |