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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.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut pelagic-oceanic; kisaran kedalaman 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.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 45.5 cm SL jantan/; (Ref. 92805)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 6; duri punggung lunak (Keseluruhan (total)) : 13; Duri dubur: 3; Sirip dubur lunak: 9; vertebrata, bertulang belakang: 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.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
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)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 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=0.01660 (0.00723 - 0.03808), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
sangat rendah, Waktu penggandaan populasi minimum lebih dari 14 tahun (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High to very high vulnerability (71 of 100). 🛈 |