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Scrawled filefish
Aluterus scriptus
(Osbeck, 1765)
Code
Summary
Saltwaterfish. Filefishes. Aluterus scriptus is a medium size fish which
can grow up to 90 cm in length. Its background body colouration is
olive-brown or grey depending on its surrounding environment, irregular
blue lines and spots are distributed on the body mixed with some black
spots mainly on the head. The mouth is small and at the end of its
pointed snout. Like all the Tetraodontiformes, it has no pelvic fin but
has two particular dorsal spines; the first anterior one is long,
slender and erectile, located just over the eyes, the second is small
and not easy to see but it locks the first one when it is erected. The
rounded caudal fin is quite long and can be displayed as a fan. The
juveniles have a yellow with black spots body colouration
To be confused with
- Whitespotted Filefish Cantherhines macrocerus
Characteristics
Size: 30 to 60 cm, max 90 cm.
Colour: Body coloration is olive-brown or grey depending on its surrounding environment, irregular blue lines and spots are distributed on the body mixed with some black spots mainly on the head.
Shape: The body shape looks like an elongated oval, strongly compressed. The mouth is small and at the end of its pointed snout.
Habitat environment and ecology
Inhabits coral reefs. Shallow reefs where it is often seen alone,
drifting over the reefs or hiding between the gorgonians. Shy and
difficult to approach.
Distribution range
BES-eilanden: St. Eustatius.
Author
[Niels Schrieken, march 2015]
Literature
- DeLoach, N., & Humann, P. (2002). Reef Fish Identification -
Florida Caribbean Bahamas - 3th Edition. New World Publications, Inc.
Categorieën:
Soorten,
Vissen
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