Ολοκέφαλοι (χίμαιρες) (chimaeras) >
Chimaeriformes (Chimaeras) >
Rhinochimaeridae (Longnose chimaeras)
Etymology: Rhinochimaera: A chimaera with rhinos (Gr.), nose, referring to long, pointed proboscis of R. pacifica. (See ETYFish); pacifica: ana- (L.), belonging to: Pacific Ocean, described as a Pacific congener of Harriotta raleighana. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 330 - 1490 m (Ref. 26346). Deep-water; 46°N - 50°S
Pacific Ocean: Japanese Archipelago to the South China Sea, and off Australasia and Peru.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 125.0, range 108 - 129.5 cm
Max length : 159 cm TL αρσενικό/απροσδιόριστο; (Ref. 122636); μεγ. δημοσιευμένο βάρος: 3.2 kg (Ref. 122636)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 1; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 0. Pale brown dorsally, grey-brown ventrally; snout and front of head white (Ref. 26346). A spookfish with a very long, narrow, conical snout, a small eye situated behind the mouth, a rather long first dorsal fin and spine, relatively smooth tooth plates, and with the lower caudal-fin lobe longer than the upper lobe (Ref. 6871).
Found on the continental slope (Ref. 7300). Maximum length 130 cm without caudal filament (Ref. 26346). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 5 - 9.8, mean 7.1 °C (based on 517 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00100 (0.00062 - 0.00162), b=3.11 (2.97 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
