Glossary

oral

Of or relating to the mouth.

Used in 34 species profiles

apical
Refers to the tip or cusp of an oral tooth, or denotes orientation towards the apex or tip of a fin, fin-spine, etc..
bubble nest
Aggregation of air-filled bubbles blown via use of an oral secretion constructed by males in some fish species. Such nests usually float and sometimes contain pieces of plant material for improved solidity. Fertilised eggs are deposited and incubated inside the nest and typically guarded by the male.
odontode
Rigid, dermal structure resembling a tooth or bristle found in certain fish taxa, notably many neotropical catfishes. Also known as a dermal tooth and has a structure comparable to that of an oral tooth, with dentine surrounding a central pulp cavity covered by a superficial layer of enamel or similar material. Often more pronounced or extensively-distributed in males than females.