分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Rhinopristiformes (Shovelnose rays)
鰩目 (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
琵琶鱝科 (Guitarfishes)
Etymology:
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 ? - 70 m (Ref. 26282). 熱帶; 14°N - 6°S, 92°W - 82°W (Ref. 114953)
Eastern Pacific: from Mexico and from north-western Costa Rica to northern Peru.
東太平洋: 已知來自模式標本產地, 哥倫比亞的 Isla de Gorgona, 與從祕魯北部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 90.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 101827); 最大體重: 1.4 kg (Ref. 37888)
Rostral cartilage distally enlarged; anterior nasal prolongations reaching medial margin of nostrils; posterior margin of spiracle with 2 folds, the medial one rudimentary; a line of about 77 prickles between nuchal region and first dorsal fin; 3 or 4 prickles on shoulders, few tubercles on snout and small prickles on anterior margin of orbits; body covered dorsally with about 80 white dots (3 to 5 mm in diameter) over a brown body; underbody white except snout with a black diamond shape blotch, extending backward laterally (Ref. 13259).
嘴的軟骨組織末梢部地增大了; 前面的鼻延伸達到鼻孔的中間邊緣; 呼吸孔的後緣有兩個摺層，一個中間的不發達的; 在頸背的區域與第一背鰭之間的一條大約 77個刺的線; 3 或 4 在肩上刺, 在眼窩的前緣上的吻與小的刺上少數小瘤; 背面被涵蓋的身體在一個褐色身體之上有大約 80個白色的點 (3 到 5 mm 直徑); 身體下面白色除了吻部有一個黑色菱形斑塊之外, 側面地向後地延伸.(參考文獻 13259)
Living individuals reported to be in sandy and rocky environments near coral-reefs at 18-24 m depth of the Colombian coast (Ref. 101827). In contrast the type specimen was taken from a depth of 70 m (Ref. 26282). Ovoviviparous (Ref. 50449). Males mature at ca. 71 cm TL (Ref. 114953).
模式標本取自了深度 70 公尺。 (參考文獻 26282) 卵胎生的.(參考文獻 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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).東太平洋: 已知來自模式標本產地, 哥倫比亞的 Isla de Gorgona, 與從祕魯北部。
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
人類使用
漁業: 沒有興趣
更多資訊
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00275 (0.00162 - 0.00469), b=3.10 (2.95 - 3.25), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
