Movie: Black Reef Leatherjacket, Eubalichthys bucephalus

A Black Reef Leatherjacket, Eubalichthys bucephalus, at Jervis Bay.

Rights:
© Rob Dennett
Cinematographer:
Rob Dennett

Transcript

Flicking the dorsal fin spine back and forwards is usually a sign of aggression.  Most likely the two fish in the movie are both males.  Thank you to Dr Barry Hutchins for his comments on this behaviour.

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Tags fishes, ichthyology, Black Reef Leatherjacket, Eubalichthys bucephalus, black, brown, Monacanthidae, marine,