Gillellus jacksoni

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Gillellus jacksoni Dawson, 1982

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Gillellus jacksoni   AquaMaps   Data sources: GBIF OBIS
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Gillellus jacksoni
Picture by Baldwin, C.C.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) > Dactyloscopidae (Sand stargazers)
Etymology: Gillellus: Theodore Nicolas Gill (1837-1914) researcher of abyssal fishes and systematics (Ref. 45335);  jacksoni: Named after Felix N. Jackson, Museum Technician (GCRL), in partial recognition for his years of competent and willing performance of myriad ichthyological chores.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 海洋 居于水底的; 深度上下限 0 - 17 m (Ref. 27742).   熱帶

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Western Central Atlantic: Anguilla, St. Barthélemy Island, Union Island, and Aruba.
中西大西洋: 安圭拉,聖 Barthelemy 島,聯盟島與阿盧巴。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 27742)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 17 - 20; 臀棘 2; 臀鳍软条: 28 - 30. Common amongst Dactyloscopidae: Small, elongate fishes. Head usually broad and deep, body tapering and compressed behind. Eyes on top of head, often protrusible; mouth moderate to large, oblique to vertical; jaw teeth minute, in 2 or more series; no teeth on roof of mouth (vomer and palatines). Opercular opening large, gill membrane free from isthmus; opercles membranous, large, usually overlapping on underside of head, typically fringed above with 2 to 24 fleshy fimbriae. Dorsal fin continuous, with an isolated or semi-isolated anterior finlet, or with 1 to 5 separate anterior rays; dorsal-fin spines 7 to 23; anal-fin spines 2; dorsal and anal fins free or united to caudal fin by fragile membranes; pectoral fins broad-based, usually enlarged in mature males; caudal-fin rays simple or branched; pelvic fins under throat (insertion anterior to pectoral-fin base), with 1 spine and 3 thickened segmented rays; all other rays simple. Head and venter naked, body elsewhere with large cycloid scales (smooth to touch); lateral line high anteriorly, deflecting ventrally behind pectoral fin to continue along middle of side to caudal-fin base where terminal lateral-line scale bears ventrally directed canal. Body coloration, variably pale to strongly pigmented with white, brown, or reddish; some forms with characteristic saddle-like bars crossing back; others plain, mottled, or with indications of lateral stripes. Species distinguished by: dorsal-fin origin on nape; with an isolated or semi-isolated anterior finlet. Segmented caudal-fin rays usually 10. First preopercular canal not branched, with a single distal pore. Upper lip without fimbriae; lower lip fimbriae 2 to 4. Straight lateral-line scales 18 or 19; arched lateral-line scales 22 to 33 (Ref. 52855).

生物学特性     字汇 (例如 epibenthic)


Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

中西大西洋: 安圭拉,聖 Barthelemy 島,聯盟島與阿盧巴。

主要参考文献 Upload your references | 参考文献 | 合作者 : Williams, Jeffrey T. | 合作者

Dawson, C.E., 1982. Atlantic sand stargazers (Pisces: Dactyloscopidae), with description of one new genus and seven new species. Bull. Mar. Sci. 32(1):14-85. (Ref. 27742)

世界自然保护联盟红皮书 (Ref. 123251)

  最不相关 (LC) ; Date assessed: 18 October 2007

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 27.3 - 28.5, mean 27.9 °C (based on 141 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5010   [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   ±0.5 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 ().
脆弱性 (Ref. 59153):  Low vulnerability (10 of 100) .