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This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
the term "finfish" refers to bony fishes, sharks and some rays; the term "scalefish" refers to fish bearing scales; the term "fish" can refer to more than one fish, particularly when the fish are from the same species; the term "fishes" refers to more than one species of fish; Fishing – the activity of trying to catch fish
African scat (fish), Scatophagus tetracanthus; Ichthyophaga, the ("fish-eating") sea eagle: phalloides: G: like a phallus: Amanita phalloides, the death cap, a poisonous basidiomycete fungus species: phenolicus: L: able to degrade phenol: Pseudoalteromonas phenolica: phenolicus – phenolica – phenolicum: philippinensis L from the Philippines
The World Wildlife Fund and the Zoological Society of London jointly issued their "Living Blue Planet Report" on 16 September 2015 which states that there was a dramatic fall of 74% in world-wide stocks of the important scombridae fish such as mackerel, tuna and bonitos between 1970 and 2010, and the global overall "population sizes of mammals ...
Maintain an "old growth" structure in fish populations, since big, old and fat female fish have been shown to be the best spawners, but are also susceptible to overfishing. Characterize and maintain the natural spatial structure of fish stocks, so that management boundaries match natural boundaries in the sea.
Tallness and narrowness of the skull. In fish, the term usually refers to an "elongate highly compressed transparent, ribbon-like larval stage". liver A digestive and storage organ. longitudinal series (scales) The number of scale rows above the lateral line from the first pored lateral line scale to the caudal fin base. lunate
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.
In fish, there is no true large intestine, but simply a short rectum connecting the end of the digestive part of the gut to the cloaca. In sharks, this includes a rectal gland that secretes salt to help the animal maintain osmotic balance with the seawater. The gland somewhat resembles a caecum in structure, but is not a homologous structure.