(كوسه ها و سپرماهيان) (sharks and rays) >
Rajiformes (Skates and rays) >
Anacanthobatidae (Smooth skates)
Etymology: andamanensis: Named for its type locality, the Andaman Sea.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي موجوداتی که در اعماق زیر 200 متر زندگی و تغذیه می کنند; تغييرات عمق 508 - 518 m (Ref. 117112). Tropical
Eastern Indian Ocean: Andaman Sea, probably more widely distributed in the area..
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 37.9 cm TL جنس نر / بدون خواص جنسي; (Ref. 117112); 42.9 cm TL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
This small species is distinguished by the following set of characters: a relatively narrow disc, its width at anterior orbit 3.7-4.9 times mouth width; possess a very long snout with slightly bulbous tip and a short, filament; with a moderately elongate tail (postcloacal length 127-157% of disc length); eyes medium-sized, with orbit diameter 6.6-10.3 in horizontal snout and 8.2-12.8 in head lengths respectively; distal portion of tail not expanded laterally; moderately-sized pelvic fins, anterior lobe 14.3-16.1% TL; the anterior pelvic-fin lobe narrow-based, width 2.7-5.0 in distance between pelvic-fin origins; long-based and very low caudal fin; tooth rows in each jaw 23-29; adult males' teeth with short subconical cusps; pectoral-fin radials 66-72; abdominal vertebral centra 26, total centra to caudal fin origin ca. 125-131; colour of dorsal and ventral surfaces both bluish when fresh, with skin on dorsal surface darker and opaque, and almost transparent ventrally (Ref. 117112)
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Last, P.R. and S. Bussarawit, 2016. A new legskate, Sinobatis andamanensis (Rajiformes: Anacanthobatidae), from the Andaman Sea (northeastern Indian Ocean). Zootaxa 4168(1):161-170. (Ref. 117112)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).
