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Aluterus monoceros (Linnaeus, 1758)

Unicorn leatherjacket filefish
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Aluterus monoceros   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Tên thường gặp | Các synonym ( Các tên trùng) | Catalog of Fishes(Giống, Các loài) | ITIS | CoL | WoRMS | Cloffa

> Tetraodontiformes (Puffers and filefishes) > Monacanthidae (Filefishes)
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)..
More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range Sinh thái học

Biển Cùng sống ở rạn san hô; Mức độ sâu 1 - 80 m (Ref. 90102). Subtropical; 43°N - 39°S, 180°W - 180°E

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Circumtropical. Western Atlantic: Massachusetts, USA to Argentina (Ref. 36453). Eastern Atlantic: west coast of tropical Africa (Ref. 3592). Eastern Pacific: Guatemala to Chile (Ref. 9068); probably in Mexico (Ref. 9318). Western Indian Ocean: Mozambique and South Africa (Ref. 4421). Recently recorded from Reunion (Ref. 53568).

Bộ gần gũi / Khối lượng (Trọng lượng) / Age

Maturity: Lm ?  range ? - ? cm
Max length : 76.2 cm TL con đực/không giới tính; (Ref. 26340); common length : 40.0 cm TL con đực/không giới tính; (Ref. 3467); Khối lượng cực đại được công bố: 2.7 kg (Ref. 40637)

Short description Khóa để định loại | Hình thái học | Sinh trắc học

Các tia vây lưng cứng (tổng cộng) : 2; Các vây lưng mềm (tổng cộng) : 45 - 52; Tia cứng vây hậu môn: 0; Tia mềm vây hậu môn: 47 - 53. Rudimentary pelvic spine disappears in large specimen (Ref. 36453). Snout convex in adults (Ref. 1602). Sandy to grey with small brown spots above; soft dorsal and anal fins pale yellowish to brownish; caudal membrane blackish brown (Ref. 4421).

Sinh học     Tự điển (thí dụ epibenthic)

Occasionally in shallow water by steep drop-offs. Solitary or in pairs, occasionally in groups of five or six, at less than 10 m depth. Juveniles are pelagic, seen under floating objects (Ref. 9318, 48637). Benthopelagic (Ref. 58302). Adults and juveniles are rarely seen near reefs. Juveniles often with large jellies and these may bring them close to reefs and adults may nest on sandflats adjacent to reefs in deep water. At other times, the adults may form large schools under weed-rafts that usually form during the wet season (Ref. 48637). Feed on benthic organisms (Ref. 30573).

Life cycle and mating behavior Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng

Distinct pairing (Ref. 205).

Main reference Upload your references | Các tài liệu tham khảo | Người điều phối : Hutchins, Barry | Người cộng tác

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. 130435)

  Least Concern (LC) ; Date assessed: 27 February 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Reports of ciguatera poisoning (Ref. 30911)





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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 22.8 - 29, mean 27.6 °C (based on 1868 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.01186 - 0.03061), b=2.89 (2.75 - 3.03), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Mức dinh dưỡng (Ref. 69278):  3.8   ±0.0 se; based on diet studies.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Thích nghi nhanh (Ref. 120179):  Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 13.9 [5.6, 53.9] mg/100g; Iron = 0.487 [0.214, 1.238] mg/100g; Protein = 19.3 [17.1, 21.4] %; Omega3 = 0.154 [0.071, 0.304] g/100g; Selenium = 21.9 [8.3, 50.9] μg/100g; VitaminA = 23.4 [6.0, 98.0] μg/100g; Zinc = 0.522 [0.321, 0.882] mg/100g (wet weight);