Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 79 - 261 m (Ref. 9790). Temperate
North Western Pacific: East and South China seas; southern Japan, Korea, Taiwan, Hainan Island and northern Philippines.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm TL पुल्लिंग / अलिंग; (Ref. 9790); common length : 30.0 cm TL पुल्लिंग / अलिंग; (Ref. 9790)
पृष्ठीय रीढ़ (सम्पूर्ण) : 10; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 11 - 12; गुदा कांटा: 0; ऐनल सौफट रेज़: 12. This species is distinguished by the following characters: 94-112 anteroventrally slanted oblique scale rows above lateral line; snout length 31.2-35.7% HL, markedly decreasing in length proportionally with growth; pectoral fin length 13.9-17.0% SL; pelvic fin length 19.5-23.1% SL; nasal bone without tubercles; dorsal surface of head and body dark brown, with small, round, dark-brown spots; and pelvic fin with small brown to black spots (Ref. 86254).
Taken by trawling at depths of 79 to 261m. Recorded by Galathea Station 539 as being dredged over gravel (Ref. 9790).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Imamura, H. and M.F. Gomon, 2010. Taxonomic revision of the genus Ratabulus (Teleostei: Platycephalidae), with descriptions of two new species from Australia. Memoirs of Museum Victoria 67:19-33. (Ref. 86254)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
मात्स्यिकी: लघु वाणिज्य
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 9.7 - 26.4, mean 19.1 °C (based on 177 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00230 - 0.00908), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
