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Melanocetus johnsonii Günther, 1864

Humpback anglerfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Melanocetus johnsonii   AquaMaps   Data sources: GBIF OBIS
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Image of Melanocetus johnsonii (Humpback anglerfish)
Melanocetus johnsonii
Picture by Ho, H.-C.


Cape Verde country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cv.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Reiner, F., 1996
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Lophiiformes (Anglerfishes) > Melanocetidae (Black Seadevils)
Etymology: Melanocetus: Greek, 'melas' or 'melanos' = black + Greek, 'ketos' = any large sea creature, more often referring to a whale (Ref. 86949);  johnsonii: Named for Mr. Johnson of Madeira who found the first individual (Ref. 4525).
  More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas batipelágico; intervalo de profundidade 100 - 4500 m (Ref. 74511), usually 100 - 1500 m (Ref. 4118).   Deep-water; 50°N - 50°S, 180°W - 180°E

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Tropical to temperate parts of all oceans. South China Sea and East China Sea (Ref.74511).

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 2.9 cm TL macho/indeterminado; (Ref. 4491); 18.0 cm TL (female)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 1; Raios dorsais moles (total) : 13 - 17; Espinhos anais: 0; Raios anais moles: 3 - 5. Esca with compressed posterior and anterior crests; anterior margin of vomer nearly straight; minute skin spines present over most of body (Ref. 13608). Branchiostegal rays 6 (Ref. 36493). Caudal-fin rays 8. Scales are cone-shaped, hollow and translucent; with circular base and a free edge pointing towards the caudal region. Left otolith, oblong shape with regular edges, inner face does not present rostrum, antirostrum or cisure (Ref. 41244). Distinguishing characteristics of metamorphosed female: least outside width between frontals 13.5-28.6% SL; upper jaw with 48-134 teeth, lower jaw 32-78 teeth; length of longest tooth in lower jaw 8.4-25% SL; width of pectoral fin lobe 10.7-17.8% SL; width of escal bulb 4.3-8.6% SL; length of illicium 32.4-60.8% SL; skin with minute spinules over most of body; relatively thick integument 1.55 mm (Ref. 86949). Distinguishing characteristics of metamorphosed male: upper denticular with 9-13 ventrally directed anterior teeth and posteromedial series of 8-11 teeth; lower denticular 12-24 teeth; posterior nostril contiguous with eye; at most 24 olfactory lamellae; skin naked or spinulose (Ref. 86949).

Biologia     Glossário (ex. epibenthic)

Meso- and bathypelagic (Ref. 58302). Males dwarfed and non-parasitic (Ref. 4491). Caught with plankton nets (Ref. 559). Capable of catching and swallowing prey larger than itself, as witness the approximately 24.0 cm SL specimen of Chauliodus sp. in the stomach of a 6.6 cm SL individual (NMNZ P 14537) (Ref. 58502). Larvae are found primarily in upper 100 m (Ref. 36493). Oviparous, with planktonic larvae (Ref. 36493). Eggs are presumably contained in floating gelatinous rafts (Ref. 36493).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Oviparous (Ref. 36493).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Anderson, M.E. and R.W. Leslie, 2001. Review of the deep-sea anglerfishes (Lophiiformes: Ceratioidei) of southern Africa. Ichthyological Bulletin of the J.L.B. Smith Institute of Ichthyology 70:30 p. (Ref. 40877)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Preocupação menor (LC) ; Date assessed: 09 May 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

Pescarias: sem interesse
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Estimates based on models

Preferred temperature (Ref. 115969): 3.1 - 19.7, mean 7.4 (based on 4346 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  4.1   ±0.69 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).