Definition, Meaning & Synonyms
heterocercal
Adjective
ˌhɛtəˈrɒsɜːrkl
Definition
Referring to a type of tail fin in fish, where the upper lobe is longer than the lower lobe.
Examples
- The shark has a heterocercal tail, which helps it swim efficiently.
- Heterocercal tails are common in many prehistoric fish species.
Meaning
In fish anatomy, heterocercal describes an asymmetrical tail structure that aids in buoyancy and movement.
Synonyms
- asymmetrical tail
- unequal tail fin
