Danaphryne nigrifilis

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Danaphryne nigrifilis (Regan & Trewavas, 1932)

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Danaphryne nigrifilis   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Oneirodidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Lophiiformes (Anglerfishes) > Oneirodidae (Dreamers)
Etymology: Danaphryne: In commemoration of the Royal Danish Research Vessel 'Dana' (Ref. 86949).
More on authors: Regan & Trewavas.

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

Marine; bathypelagic; depth range 0 - 2000 m (Ref. 86949). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Tropical to temperate parts of all oceans.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.5 cm SL (female)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 5-7; Anal soft rays: 4 - 5. Metamorphosed females distinguished by the following characteristics: narrow snout, width of ethmoid cartilage and vomer considerably less than the distance between anterolateral tips of the lateral ethmoids and frontals; frontals short, lying posterior to the ethmoid region, dorsal margin convex; frontals separated from prootics; presence of vomerine teeth; large and nearly circular nasal foramina; presence of pterosphenoid; anterior end of illicial trough wider and shallower than the posterior end; well developed sphenotic spines; symphysial cartilage of upper jaw longer than wide; lower jaw with well developed symphysial spine; hyomandibula with double head; well developed quadrate spine, longer than articular spine; deeply notched posterior margin of opercle; long and narrow subopercle, dorsal end long and slender, tapering to a point, ventral end nearly circular; absence of first pharyngobranchial; well developed second pharyngobranchial; second hypobranchial articulates directlywith second basibranchial; caudal fin rays without internal pigmentation; illicium longer than length of escal bulb; pterygiophore of illicium cylindrical throughout length, emerging on snout from between frontal bones, anterior end exposed, posterior end concealed beneath skin; well developed first ray of dorsal fin; dorsal fin rays 5-7; anal fin rays 4-5; short and broad pectoral fin lobe, shorter than longest rays of pectoral fin; pectoral fin rays 16-19; coracoid lacking posteroventral process; simple pelvic bones, expanded distally; skin smooth and naked, without dermal spinules; darkly pigmented skin of caudal peduncle extends well past base of caudal fin (Ref. 86949).

Biology     Glossary (e.g. epibenthic)

Also mesopelagic (Ref. 10524).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Bertelsen, E., 1990. Oneirodidae. p. 498-507. 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. 1. (Ref. 10524)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 11 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 1 - 13.3, mean 6.7 °C (based on 2192 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [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).
Trophic level (Ref. 69278):  3.8   ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).