Lớp phụ Cá sụn (cá mập và cá đuối) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335).
More on author: Norman.
Issue
Considered as a junior synonym of Rhinobatos schlegelii in Last et al. 2016:459 (Ref. 108568). This species page will be removed.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 0 - 119 m (Ref. 9909). Subtropical
Western Pacific: off Taiwan and from the Philippines; about 2500 kilometers away, 2 specimens were caught in Thailand.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?, range 56 - ? cm
Max length : 73.0 cm TL con đực/không giới tính; (Ref. 9909); 63.0 cm TL (female)
Found inshore and offshore (Ref. 9909). Ovoviviparous (Ref. 50449). Biology little known (Ref. 9909). Utilized where it occurs, but details lacking (Ref. 9909).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).
Compagno, L.J.V. and P.R. Last, 1999. Rhinobatidae. Guitarfishes. p. 1423-1430. In K.E. Carpenter and V.H. Niem (eds.) FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Rome, FAO. (Ref. 9909)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Các công cụ
Special reports
Download XML
Các nguồn internet
Estimates based on models
Preferred temperature (Ref.
123201): 22.8 - 27.9, mean 25.3 °C (based on 130 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00151 - 0.00578), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.7 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
