>
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.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; نطاق العمق 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.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 45.5 cm SL ذكر/ مختلط الجنس; (Ref. 92805)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 6; الأشعة الظهرية الناعمة (المجموع) : 13; شوكة شرجية: 3; أشعه شرجية لينه: 9; فقرات: 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).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
أدوات
تقارير خاصة
Download XML
مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00714 - 0.03859), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
![Image of Hoplostethus grandperrini (Grandperrin\](/images/thumbnails/gif/tn_TRACHIT0.gif "Image of Hoplostethus grandperrini (Grandperrin\")
