Sargocentron violaceum, Violet squirrelfish

Sargocentron violaceum (Bleeker, 1853)

Violet squirrelfish
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Sargocentron violaceum   AquaMaps   Data sources: GBIF OBIS
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Sargocentron violaceum
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Holocentriformes (Squirrelfishes, soldierfishes) 金眼鯛目 (Squirrelfishes, soldierfishes) > Holocentridae (Squirrelfishes, soldierfishes) > Holocentrinae
Etymology: Sargocentron: Greek, sargos = sargus + Greek, kentron = sting (Ref. 45335).  More on author: Bleeker.

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

; 海洋 礁区鱼类; 深度上下限 1 - 30 m (Ref. 48635), usually 1 - 15 m (Ref. 27370).   熱帶; 30°N - 24°S

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

Indo-Pacific: Aldabra and the Laccadive Islands (Ref. 4201) to the Society Islands (Ref. 9710), north to Ryukyu Islands, south to the southern Great Barrier Reef; Palau to the eastern Caroline and Marshall Islands in Micronesia.
印度-太平洋: 亞達伯拉與拉克代夫群島 (參考文獻 4201) 到社會群島 (參考文獻 9710), 北至琉球群島, 南至大堡礁的南方; 帛琉到加羅林群島東部與密克羅尼西亞的馬紹爾群島。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 8631)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 11; 背的软条 (总数): 12-15; 臀棘 4; 臀鳍软条: 9. Body color brownish to purplish red; head primarily red; upper part of opercular membrane blackish; each scale with vertical silvery white line. Four to five oblique scale rows on cheek; body depth 2.3-2.7 in SL; head length (HL) 2.4-2.85 in SL; snout length 3.75-4.35 in HL; maxilla extending posteriorly from below front of pupil to below center of the eye, upper jaw length 2.7-2.85 in HL; premaxillary groove about a vertical at front edge of orbit; anterior end of nasal bone with 2 diverging spines; medial margin of nasal bone spineless (however, a Seychelles specimen 20.6 cm has one small spinule on the edge); 1-3 spinules on anterior and posterior margins of nasal fossa; suborbital bones' upper edge smooth anteriorly, becoming slightly serrate posteriorly (serrae as recumbent spinules); adults' preopercular spines long, 2.85-3.8 in HL (at least equal to orbit diameter). 2 opercular spines with the lower nearly as long or equal to the upper spine; 4th dorsal spine longest, .5-2.95 in HL; membranes of spinous dorsal fin not incised; 3rd anal spine 1.5-1.7 in HL (Ref. 27370). Has a high body similar to S. spiniferum, but differs in coloration and does not get as large.
体色褐色的对带紫色的红色; 头部主要红色; 鳃盖薄膜的上半部黑色的; 每个鳞片有垂直的银白色线。 在颊上的四到五斜的鳞片列; 体高 2.3-2.7 分之一标准体长; 头长 (HL)2.4-2.85 分之一标准体长; 吻的长度 3.75-4.35个 HL比率; 颚骨向后延伸从在瞳孔前方下面到在眼的中心之下, 上颌长度 2.7-2.85个 HL比率; 上颌骨前的凹槽眼窝的大约的一条垂直线前缘; 鼻骨的前端有两个分开棘; 鼻骨的中间边缘无棘的;(然而,塞锡尔群岛标本 20.6 公分在边缘上有一个小的小刺) 在鼻窝的前面与后面边缘上的 1-3个小刺; 眶下骨的上缘平滑的前面地, 在后部地 (如靠着的小刺锯齿) 变成些微锯齿状; 成鱼的前鳃盖骨棘长的,2.85-3.8个 HL比率.(至少等于眼窝直径) 2根鳃盖棘具有下面的几乎当长的或者等于上面的棘; 第 4个背棘长的,.5-2.95个 HL比率; 不被呈锯齿状的刺状背鳍的薄膜; 第三个臀鳍硬棘 1.5-1.7个 HL比率.(参考文献 27370) 有一个高的身体类似 S. spiniferum, 但是不同之处为颜色与不会得到当大的。

生物学特性     字汇 (例如 epibenthic)

Uncommon in atoll reef flats, lagoon patch reefs, and steep outer reef slopes. Solitary and secretive species, occasionally seen in small crevices in clear water habitats (Ref. 48635). Strictly nocturnal, feeds mainly on benthic crabs and shrimps. Spine of preopercle is venomous. Usually among rich coral growth (Ref 90102).

罕见在环礁礁石平台,泻湖礁坪与陡峭的外礁斜坡中。 独居性与躲躲藏藏的种, 偶然地在清澈的水域栖息地在小的裂隙中见到了。 (参考文献 48635) 严格夜行, 主要捕食底栖的螃蟹与虾。 前鳃盖骨的棘是有毒的。

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

印度-太平洋: 亞達伯拉與拉克代夫群島 (參考文獻 4201) 到社會群島 (參考文獻 9710), 北至琉球群島, 南至大堡礁的南方; 帛琉到加羅林群島東部與密克羅尼西亞的馬紹爾群島。

主要参考文献 Upload your references | 参考文献 | 合作者 : Randall, John E. | 合作者

Randall, J.E., 1998. Revision of the Indo-Pacific squirrelfishes (Beryciformes: Holocentridae: Holocentrinae) of the genus Sargocentron, with descriptions of four new species. Indo-Pac. Fish. (27):105 p. (Ref. 27370)

世界自然保护联盟红皮书 (Ref. 123251)

  最不相关 (LC) ; Date assessed: 04 March 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  有毒的 (Ref. 2334)





人类利用

FAO - Publication: search | FishSource | 周边海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 25.4 - 29.3, mean 28.5 °C (based on 2812 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00759 - 0.03307), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.6   ±0.59 se; based on food items.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  Low to moderate vulnerability (30 of 100) .
Nutrients (Ref. 124155):  Calcium = 45.3 [17.1, 139.4] mg/100g ; Iron = 0.389 [0.181, 1.129] mg/100g ; Protein = 19.3 [18.1, 20.4] % ; Omega3 = 0.134 [0.059, 0.315] g/100g ; Selenium = 44 [26, 72] μg/100g ; VitaminA = 48.8 [20.0, 118.7] μg/100g ; Zinc = 1.5 [0.7, 2.9] mg/100g (wet weight);