Another physical characteristic of the brook trout is an adipose fin and a caudal fin that is slightly forked.
Three fins in particular are observed to work together in a coordinated way during swimming: the pectoral fin, the caudal fin and the dorsal fin.
They have distinct black markings on the ends of their fins, particularly the first dorsal and caudal fins.
They have no eyelids, and all species have four fingers on each forelimb, five toes on each hind limb, and caudal fins.
Around 2.5m in length at a maximum, it is often smaller and easily recognised by its broad head, two large dorsal fins and a caudal fin that represents around one quarter of the whole body length.
Definition of caudal fin in US English:
caudal fin
noun
Zoology
another term for tail fin
Example sentencesExamples
They have no eyelids, and all species have four fingers on each forelimb, five toes on each hind limb, and caudal fins.
They have distinct black markings on the ends of their fins, particularly the first dorsal and caudal fins.
Three fins in particular are observed to work together in a coordinated way during swimming: the pectoral fin, the caudal fin and the dorsal fin.
Another physical characteristic of the brook trout is an adipose fin and a caudal fin that is slightly forked.
Around 2.5m in length at a maximum, it is often smaller and easily recognised by its broad head, two large dorsal fins and a caudal fin that represents around one quarter of the whole body length.