分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335); elegans: From the Latin elegans, meaning elegant, fine. This is an allusion to the distinctive general appearance of the new species, with males combing relatively slender body with long unpaired fins..
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性.
South America: Verde Grande River drainage, Bahia, Brazil.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 118117); 3.7 cm SL (female)
简单描述
型态特徵 | 形态测量图
Cynolebias elegans is similar to other members of the C. gilbertoi group (C. gilbertoi and C. ochraceus) and distinguished from all other species of the subgenus Cynolebias, by having 19-16 vomerine teeth (vs. 1-4, when teeth are present), 7-8 gill-rakers on the ventral part of the first branchial arch (vs. 9-12), highest body depth at vertical just anterior to base of pelvic fin (vs. through base of pecto¬ral fin), and flank with light dots arranged in vertical groups (vs. light dots when present not arranged in vertical groups). It can be diagnosed from C. gil¬bertoi and C. ochraceus by possessing long dorsal and anal fins in males, their extremities excluding filaments posteri¬orly reaching base of caudal fin (vs. reaching caudal pedun¬cle), greater pre-pelvic length in males (52.2-53.9 % SL, vs. 48.5-49.9 % SL in C. gilbertoi and 48.9-50.5 % SL in C. ochraceus), and first proximal radial of the anal fin between neural spines of 9th and 10th vertebrae in males, and between neural spines of 11th and 12th vertebrae in females (vs. between neural spines of 11th and 13th verte¬brae in males, and between neural spines of 12th and 14th vertebrae in females). It can be further differentiated from C. gilbertoi by having the following characters: larger head (31.3-34.2 % SL in males, 32.1-33.4 % in females, vs. 27.9-30.3 % SL in males, 29.0-31.1 % in females) and smaller eye (25.5-29.1 % of head length in males, 27.3-29.9 % in fe¬males, vs. 30.0-31.0 % of head length in males, 31.5-34.2 % in females). It can be also distinguished from C. ochraceus by having 31-32 ver¬tebrae (vs. 33-34), narrower body depth (32.5-34.5 % SL vs. 35.0-37.8 % SL), and flank light pur¬plish brown in males (vs. light yellow ochre) (Ref. 118117).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Costa, W.J.E.M., 2017. Description of two endangered new seasonal killifish species of the genus Cynolebias from the São Francisco River basin, Brazilian Caatinga (Cyprinodontiformes, Aplocheilidae). Zoosyst. Evol. 93(2):333-341. (Ref. 118117)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (A2ac; B1ab(iii)+2ab(iii); D); Date assessed: 29 December 2020
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
工具
特别资料
下载 XML
网络资源
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=0.00891 (0.00396 - 0.02008), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
