Aluterus schoepfii

Aluterus schoepfii, the orange filefish, is a species of fish in the family Monacanthidae. The species can also be listed under the family Balistidae. They can reach a maximum size of 62 cm (24 in) although they are common to 40 cm (15.5 in).[2]

Orange filefish

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Tetraodontiformes
Family:
Monacanthidae
Genus:
Aluterus
Species:
A. schoepfii
Binomial name
Aluterus schoepfii
(Walbaum, 1792)

Characteristics

Orange filefish can be distinguished by the presence of 2 dorsal spines and 32-29 dorsal soft rays. They do not have anal spines but have 35–41 anal soft rays. The pelvic terminus is absent, the body has numerous small round orange or orange-yellow spots, and the lips are often blackfish.[3]

Distribution

Orange filefish are distributed along the Western Atlantic. This includes Nova Scotia, Bermuda, and the northern Gulf of Mexico to Brazil. Distributions along the Eastern Atlantic include Cape Blanc and Mauritania to Angola.[3]

Environment

Orange filefish are benthic fish distributed in a depth range of 3 to 900 meters. They are subtropical found between 46°N and 33°S latitudes.[3] [4]

Habitat

These fish are usually found solitary or in pairs over sea bottoms with sea grass, sand, or mud. Juveniles can be found associated with floating Sargassum.[3]

Feeding

Orange filefish feed on a variety of aquatic vegetation, including sea grasses and algae.[3]

Importance to humans

Orange filefish are considered trash fish and rarely consumed by humans. In Brazil these fish are traded as aquarium fish. These fish contain a poison in their triggers that can be potentially threatening to humans who come in contact with them.[3]

Similar species

The dotterel filefish is similar to the orange filefish, although the dotterel filefish has a longer tail fin and no orange spots along the body. The orange filefish differs from other triggerfishes by having only 2 dorsal spines.[2]

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References
  1. Matsuura, K., Robertson, R. & Tyler, J. (2015). Aluterus schoepfii. The IUCN Red List of Threatened Species doi:10.2305/IUCN.UK.2015-4.RLTS.T16404974A16510262.en
  2. “Orange Filefish: Aluterus schoepfii.” Texas A&M University Galveston.
  3. Luna, Susan M. “Aluterus schoepfii.” FishBase
  4. Bailly, N. (2014). &id=159490 Aluterus schoepfii (Walbaum, 1792). In: Froese, R. and D. Pauly. Editors. (2014) FishBase.
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