Gillellus healae Dawson, 1982

Masked stargazer
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Gillellus healae   AquaMaps   Data sources: GBIF OBIS
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Gillellus healae
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drawing shows typical fish in this Family.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Dactyloscopidae (Sand stargazers) 指鰧科 (Sand stargazers)
Etymology: Gillellus: Theodore Nicolas Gill (1837-1914) researcher of abyssal fishes and systematics (Ref. 45335);  healae: Named after Elizabeth Heal in partial recognition for her years of efficient and willing assistance to Dr. C.E. Dawson (Ref. 27742).

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋 居於水底的; 深度上下限 21 - 73 m (Ref. 27742).   熱帶; 33°N - 12°N

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Atlantic: South Carolina and northeastern Gulf of Mexico to Florida Keys in USA, and also Aruba.
西大西洋: 到佛羅里達的南卡羅萊那州與墨西哥灣東北方在美國調音, 以及阿盧巴。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 7251)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 11 - 15; 背的軟條 (總數): 27-29; 臀棘 2. 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; fin with an isolated or semi-isolated anterior finlet. Segmented caudal-fin rays usually 10; arched lateral-line scales 22 to 33. First preopercular canal not branched, with a single distal pore. Upper lip without fimbriae (Ref.52855).

生物學特性     字彙 (例如 epibenthic)

Burrows in soft sandy bottom, where it waits for prey, with only the eyes, nose and mouth protruding.

穴居在軟的沙質底部中, 在那裡它等候獵物, 只有眼, 鼻子與嘴伸出。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

西大西洋: 到佛羅里達的南卡羅萊那州與墨西哥灣東北方在美國調音, 以及阿盧巴。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Williams, Jeffrey T. | 合作者

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)

IUCN 瀕危狀態 (Ref. 120744)

  無危 (LC) ; Date assessed: 04 February 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 22 - 27.6, mean 24.8 (based on 54 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).
營養階層 (Ref. 69278):  4.0   ±0.61 se; Based on food items.
回復力 (Ref. 69278):  高度, 族群倍增時間少於 15個月 ().
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .