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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); chathami: Named for its type locality, Chatham Rise.
Eponymy: This is a toponym, referring to the type locality: the Chatham Rise area of ocean floor east of New Zealand. (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall ? - 1340 m (Ref. 92437). Deep-water
Southwest Pacific: Chatham Rise East of New Zealand.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 8.7 cm SL hane/ej könsbestämd; (Ref. 92437)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 52 - 53; Mjukstrålar i analfenan: 45 - 46; Ryggkotor: 59. This species is distinguished by the following characters: dorsal fin rays 52-53, anal fin rays 45-46, pectoral fin rays 16-17, eye 26%, preA 157%, snout 17%, upper jaw ~50% HL; occipital hump prominent; teeth slender canines, premaxillary symphyseal gap very narrow, no mandibular symphyseal gap; opercle curved, posterior part almost horizontal; distance from mandible to end of body cavity 36% SL, 154% HL; coronal pore probably absent (Ref. 92437).
Body shape (shape guide): elongated; Cross section: compressed.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Stein, D.L., 2012. A review of the snailfishes (Liparidae, Scorpaeniformes) of New Zealand, including descriptions of a new genus and sixteen new species. Zootaxa 3588:1-54. (Ref. 92437)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00525 (0.00238 - 0.01156), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.5 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 (12 of 100). 🛈 |