Cá Bơn Vây Đen
Laeops kitaharae
Thông tin chính
Mô tả hình thái
Sinh thái & Dinh dưỡng
Phân bố
Giá trị kinh tế
Mẫu vật & Tài liệu
Sinh học — Sinh thái BIO
Ghi chú chi tiết
Laeops variegate (not of Franz): Chen & Weng, 1965: 69. Laeops nigrescens (not of Lloyd): Chen & Weng, 1965: 64. Specimens examined. NMMB-P 21087 (1, 130.8), Dong-gang, Mar. 30, 2014; NMMB-P 22229 (1, 149.2), Donggang, 21 Jan. 2015; NMMB-P 23185 (1, 125.5), Ke-tzu-liao, 22 Apr. 2014; NMMB-P 23188 (1 female, 134.5), NMMB-P 23268 (4, 121.2 – 130.7), 18 Mar. 2016; NMMB-P 23269 (5, 120.3 – 139.9), Dong-gang, 28 Feb. 2016; NMMB-P 23270 (1, 132.2), Ke-tzu-liao, 28 Feb. 2016; NMMB-P 23280 (1, 120.0), Dong-gang, 16 Apr. 2016; NMMB-P 23283 (4, 103.2 – 128.5), Ke-tzu-liao, 3 Apr. 2016; NMMB-P 24846 (1, 148.3), Ke-tzu-laio, 2 Apr. 2015. Large among of specimens deposited in NMMB-P. Diagnostic features. D 103 – 117; A 87 – 92; P 12 – 15; C 2 – 3 + 11 – 13 + 2 – 4 = 17; LLs 90 – 105; GR 0 – 5 + 5 – 8 = 6 – 12; ert. 11 – 12 + 39 – 42 = 50 – 53. Body elongated and strongly compressed, greatest near anterior 1 / 4 part of body, its depth highly variable (28.5 – 36.9 % SL). Caudal peduncle narrow, its depth 5.7 – 6.8 % of SL. Head extremely small, head less than 1 / 2 of body depth (14.9 – 18.4 % SL); front of head almost straight or with shallow concavity above middle of upper eye. Snout extremely short, snout length about half of eye diameter. Eyes small, diameter much larger than upper-jaw length; upper eye extremely close to dorsal margin of head. Interorbital space narrow; inner margins of eyes with high bony ridge extending from anterior margin of lower eye to posterior interorbital space. Mouth extremely small, asymmetrical, twisted to blind side, upper-jaw length on ocular side 3.1 – 3.9 % SL; maxilla extending to anterior margin of lower eye; lower jaw extending beyond tip of upper jaw. Teeth absence on ocular side of both jaws, many small teeth on blind side curved inward, in narrow bands. Gill rakers on lower limb very small and pointed, smooth; none or some small rakers on upper limb. Scales very small and deciduous, cycloid on both sides. Dorsal and anal fin rays slende
