>
Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); grandperrini: Named for Dr René Grandperrin, retired chief scientist of ORSTOM Nouméa, an ardent fish researcher and leader of deepwater fish explorations off New Caledonia (Chef de Mission of research cruises BERYX 2 and HALIPRO2), for his strong support for collaborative fieldwork between French and New Zealand scientists.
Eponymy: Dr René Grandperrin is an oceanographer and zoologist who is now a retired chief scientist of ORSTOM. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino pelagic-oceanic; distribuzione batimetrica 500 - 675 m (Ref. 92805). Subtropical
Northwest Pacific: types collected at Seamount 'B' in the northern portion of the Norfolk Ridge, south of New Caledonia and on the south-eastern slope of New Caledonia’s Grande Terre.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 45.5 cm SL maschio/sesso non determinato; (Ref. 92805)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 6; Raggi dorsali molli (totale) : 13; Spine anali: 3; Raggi anali molli: 9; Vertebre: 26. This species is distinguished by the following characters: pectoral-fin rays 17-18; total gill rakers on outer side of first arch 19-20; abdominal scutes 13-14, scutes rectangular and rugose in large individuals; predorsal scales, 21-24; isthmus no scales; body scales adherent; lateral line scales with strong medial ridge and spine posteriorly and with numerous fine rather long spines in small individuals, scales rugose, lacking a posterior spine in large adults; predorsal midline scales forming very low ridge in small individuals, no ridge apparent in very large individuals; body ovoid and deep, depth 1.8-1.9 in SL; dorsal profile of head gently curved; dorsal- and anal-fin spines of moderate thickness; pectoral fin of moderate length, reaching base of second anal-fin spine in small individuals, to 10th-11th abdominal scute in largest; adults orange-red; buccal cavity mostly white, black only on roof of mouth posteriorly, opercular recess black anteriorly, much paler near periphery (Ref. 92805).
Body shape (shape guide): short and / or deep; Cross section: oval.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Roberts, C.D. and M.F. Gomon, 2012. A review of giant roughies of the genus Hoplostethus (Beryciformes, Trachichthyidae), with descriptions of two new Australasian species. Memoirs of Museum Victoria 69:341-354. (Ref. 92805)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00717 - 0.03842), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Molto basso, tempo minimo di raddoppiamento della popolazione più di 14 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Moderate vulnerability (42 of 100).
🛈
![Image of Hoplostethus grandperrini (Grandperrin\](/images/thumbnails/gif/tn_TRACHIT0.gif "Image of Hoplostethus grandperrini (Grandperrin\")
