>
Tetraodontiformes (Puffers and filefishes) >
Tetraodontidae (Puffers) > Tetraodontinae
Etymology: Pelagocephalus: Name 'Pelagios' meaning of the sea, in allusion to the envisioned offshore, openwater habitat and 'cephalus' or head, in allusion both to the sleek head and to the similarity of the name with that of Lagocephalus (rabbit head; appropriate for most species, but not for the two which are pelagic), one of the several genera closely related to it; coheni: Named for Dr. Daniel M. Cohen, former Director of the National Systematics Laboratory of the National
Marine Fisheries Service, Washington, D.C.
Eponymy: Dr Daniel Morris Cohen (1930–2017) was an ichthyologist who was a research associate at the California Academy of Sciences. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande. Tropical
Southeast Pacific: Norfolk Is.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.2 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 9; Mjukstrålar i analfenan: 9; Ryggkotor: 17. This species is distinguished by its plate-like nasal apparatus and bifurcate ventral flange of the parasphenoid (Ref. 101915).
Body shape (shape guide): short and / or deep; Cross section: oval.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Tyler, J.C. and J.R. Paxton, 1979. New genus and species of pufferfish (Tetraodontidae) from Norfolk Island, southwest Pacific. Bull. Mar. Sci. 29(2):202-215. (Ref. 101915)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.02630 (0.01227 - 0.05639), b=2.88 (2.71 - 3.05), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.2 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |