Parasaccogaster normae

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Parasaccogaster normae (Cohen & Nielsen, 1972)

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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Parasaccogaster normae   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Bythitidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Ophidiiformes (Cusk eels) > Bythitidae (Livebearing brotulas)
Etymology: Parasaccogaster: Name refers to the similarity to Saccogaster..
More on authors: Cohen & Nielsen.

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

marien demersaal; diepte 80 - 150 m (Ref. 93007). Tropical

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Southeast Pacific: off Peru to Costa Rica.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 14.2 cm (female)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 83-87; Anale zachte stralen: 51 - 54; Wervels: 54 - 56. This species is distinguished from it congeners by the following characters: gill filaments on anterior arch is 4-5 times the length of the developed rakers; a pair of very small, subdermal, closely set spines on frontal plate above and behind eyes, absence of spine on ethmoid; anterior arch with 2-3 developed rakers, not much longer than spiny knobs; gill filaments on anterior arch 4-5 times length of developed rakers; palatines 2-4 tooth rows; prolonged pectoral peduncle adnate to body; vertebrae, precaudal 14-16 and total 54-56; fin rays, D 83-87, A 51-54, caudal 12-13, pectoral 17-19 (Ref. 93007).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Rare species, known from two specimens (Ref. 34024). A viviparous species living on the lower part of the continental shelf (80-150 m). Four examined female specimens are with well-developed eggs but apparently no embryos. Sections of ripe testes show that the spermatozoans are arranged in spermatophores (Ref. 93007).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Nielsen, J.G., W. Schwarzhans and D.M. Cohen, 2012. Revisions of Hastatobythites and Saccogaster (Teleostei, Bythitidae) with three new species and a new genus. Zootaxa 3579:1-36. (Ref. 93007)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
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Estimates based on models

Preferred temperature (Ref. 123201): 11.5 - 15.7, mean 14.7 °C (based on 22 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.3   ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).