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Fishing Terminology
Abdomen The belly of the fish containing the internal organs.
Adipose fin Small fleshy fin-like projection on the back of some fishes between the dorsal fin and the caudal fin (tail).
Anal fin Fin on the belly behind the anus.
Antennae Paired feelers on the head of crustaceans.
Anterior Towards the head or front.
Anus External opening to the intestine.
Barbels Fleshy whisker-like extensions, usually under the mouth.
Benthic Living close to or on the bottom.
By-catch All catch other than the species sought (non-target species).
Canine teeth Conical fang-like teeth on the jaws.
Carapace Shell or exoskeleton encasing the body of a crustacean.
Carnivorous Feeding or preying upon animals - flesh eating.
Cartilage A substance more flexible than bone, but serving a similar structural purpose.
Caudal peduncle The base of the tail between the anal fin and the caudal fin.
Cheek cleft Cleft on gill cover.
Crustacean Shellfish, e.g. prawns, crayfish, crabs, yabbies.
Demersal Living on or near the sea bottom.
Dimorphic Body shape and colour varies between the sexes.
Diurnal Active during daylight.
Dorsal fin Fins that run along the back of a fish (except an adipose fin).
Elongate Extended in length.
Estuarine Living in estuaries, the tidal reaches of rivers.
Fillet Slab of flesh cut from the side of a fish.
Finlets Series of separate small fins arranged along the back and belly usually between the dorsal fin and tail and/or anal fin tail.
Gill arch Bony or cartilaginous structure supporting the gills.
Gills The feathery organs by which fish extract oxygen from the water.
Herbivorous Feeding on vegetable matter - plant eating.
Ike jime Method of killing fish by inserting a sharp spike into their brain.
Keel Hard ridge along the body usually on the head or caudal peduncle.
Lateral line Sensory canal system, usually consisting of specialised scales, that runs along the sides of all fish. It is more visible in some fish than in others.
Molar Blunt tooth used for crushing and grinding.
Mollusc Shellfish such as oyster, scallops, squid, octopus, etc.
Mucus Slimy substance secreted by mucus glands. Used by fish to protect their skin from disease, parasites and injury.
Nape Neck region adjacent to skull.
Nocturnal Active at night.
Ocellus Round marking that mimics or simulates an eye.
Omnivore Feeding on both animals and plants.
Paired fins Pectoral and pelvic fins.
Pelagic Living in the open ocean or sea above the sea floor.
Pelvic Paired fins on the belly before the anal fin.
Planktivore Feeding on plankton.
Plankton Tiny plant and animal life adrift in the water column.
Posterior Towards the tail or rear.
Rostrum Beak-like extension on the carapace of some crustaceans.
Scutes Modified spiny scales that form hard plates along the tails of some fish.
Shellfish General term for crustaceans and molluscs.
Soft dorsal fin Dorsal fin supported by flexible rays rather than rigid spines.
Spinous dorsal fin Dorsal fin supported by rigid spines.
Swim bladder Sac-like organ in fish's abdomen containing air - air bladder.
Terminal Located at the end of something.
Uniform colour Having only one colour.
Ventral Of or pertaining to the underside.



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