Actinopterygii (ray-finned fishes) > Tetraodontiformes
(Puffers and filefishes) > Monacanthidae
Etymology: Aluterus: Name from Greek meaning not free or detached, referring to the pelvis that does not form a spiny project (as it does in triggerfish) (R. Chandler, pers. Comm. 10/2014)..
Environment / Climate / Range
Marine; reef-associated; depth range 3 - 900 m (Ref. 3592), usually ? - 50 m (Ref. 3592). Subtropical; 46°N - 27°S, 97°W - 13°E
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm TL male/unsexed; (Ref. 26340); common length : 40.0 cm TL male/unsexed; (Ref. 3592)
Western Atlantic: Nova Scotia (Canada), Bermuda, and northern Gulf of Mexico to Brazil. Eastern Atlantic: Cape Blanc, Mauritania to Angola (Ref. 3592).
Usually found over bottoms with seagrass, sand, or mud (Ref. 3790). Juveniles are associated with floating Sargassum. Solitary or in pairs (Ref. 9710). Feeds on a variety of plants, including algae and seagrasses (Ref. 3790). Generally considered as trash fish, rarely consumed (Ref. 3790). Traded as an aquarium fish at Ceará, Brazil (Ref. 49392).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing (Ref. 205).
Harmelin-Vivien, M.L. and J.-C. Quéro, 1990. Monacanthidae. p. 1061-1066. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3592)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Reports of ciguatera poisoning (Ref. 30911)
Fisheries: subsistence fisheries; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 2.0 ±0.1 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (57 of 100) .