分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); clavulus: The specific name is derived from the Latin clavus (nail), referring to the conical tubercles on the head and body of this species..
More on authors: Ng & Freyhof.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 热带
Asia: Cai and Duc My River drainages in central Viet Nam.
亚洲: 在中央的越南 Cai 与 Duc 我的河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 52824)
简单描述
型态特徵 | 形态测量图
背棘 (总数): 1; 背的软条 (总数): 5; 脊椎骨: 32 - 34. Mouth subterminal; anterior and posterior nostrils separated by distance greater than length of nasal-barbel base; emarginate caudal fin; 3-5 serrae on posterior edge of pectoral spine; evenly-sloping ethmoidal region, sides of head gently curving; 1+ 5-6 gill rakers on first branchial arch; conical-shaped tubercles on head and body; lightly contrasting color pattern, and tubercles arranged in prominent longitudinal rows on ventral third of body (Ref. 52824).
嘴接近端位的; 被距离鼻骨-触须基底的大于长度分开的前面与后面的鼻孔; 边缘微凹的尾鳍; 在胸棘的后缘上的 3-5个锯齿; 均匀地-倾斜的筛骨区域, 头侧逐渐弯曲的; 在第一个鳃弓上的 1+5-6 鳃耙; 在头部与身体上的锥形-形状的小瘤; 轻轻的对比彩色斑纹 , 与小瘤在腹面身体中的第三上排列成突出的纵列了。 (参考文献 52824)
Found in hilly landscape streams and small rivers with a width of about 15-30 m (Ref. 52824). Occurs only in shallow riffles, hiding under coarse gravel and larger single stones (Ref. 52824).
发现于多丘陵的风景溪流了，而且小的河具有一个大约 15-30 公尺的宽度。 (参考文献 52824) 生存只在浅滩急流中, 在粗砾石与比较大的单一石头下面藏.(参考文献 52824)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亚洲: 在中央的越南 Cai 与 Duc 我的河流域。
Ng, H.H. and J. Freyhof, 2003. Akysis clavulus, a new species of catfish (Teleostei: Akysidae) from central Vietnam. Ichthyol. Explor. Freshwat. 14(4):311-316. (Ref. 52824)
人类利用
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
