epibranchial
Bone or cartilage forming the upper part of the gill arch, positioned between the ceratobranchial and pharyngobranchial.
Used in 90 profiles
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Ichthyological terms, not general ones.
epibranchial organ
Present in some microphagous fishes and comprises a paired dorsal diverticulum located towards the posterior of the pharynx. In the majority of species it's divided into two sections by additional gill rakers which trap small food particles.
ceratobranchial
Longest bones or cartilages of the branchial arches, located beneath the epibranchials.
Used in 28 profiles
labyrinth organ
Highly folded, vascularised, suprabranchial accessory breathing organ formed via extension of the first epibranchial bone and used to respire atmospheric oxygen. Found in all members of the freshwater fish suborder Anabantoidei.
Used in 96 profiles