Novaculops koteamea, Rapanui sandy

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Novaculops koteamea (Randall & Allen, 2004)

Rapanui sandy
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Novaculops koteamea   AquaMaps   Data sources: GBIF OBIS
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Image of Novaculops koteamea (Rapanui sandy)
Novaculops koteamea
Male picture by Randall, J.E.

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

Teleostei > Eupercaria/misc (Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria) > Labridae (Wrasses) 隆頭魚科 (Wrasses) > Xyrichtyinae
Etymology: Novaculops: Latin, novacula = razor + Greek, ops = appearance (Ref. 45335);  koteamea: Name from the Rapanui word for the fish; 'kotea' is generic for 3 species of wrasses, and 'mea' means red..
More on authors: Randall & Allen.

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

海洋; 深度上下限 50 - 250 m (Ref. 57578). 亞熱帶的

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

Southwest Pacific: currently known only from Easter Island, but might be present from southern subtropical islands to the west such as Pitcairn Islands and Rapa.
西南太平洋: 現在已知只來自復活島了, 但是可能從南方的亞熱帶的島到西方的例如皮特凱恩群島與拉帕島在場。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 25.9 cm NG 雄魚/尚未辨別雌雄; (Ref. 89467)

簡短描述 型態特徵 | 形態測量圖

Dorsal rays IX,12; anal rays III,12; pectoral rays 13. Lateral-line scales 20 + 5. Head naked except for one or two small partly embedded scales dorsally on opercle. Gill rakers 16-18. Body depth 2.6-2.75 in SL. Dorsal profile of snout forming an angle of about 50°, front of head with a slight median ridge. Origin of the dorsal fin a little posterior to preopercular margin; first dorsal spine flexible, slightly longer than second spine, 4.05-4.15 in head length; space between first two dorsal spines two-thirds space between second and third spines. Caudal fin slightly rounded. Pectoral fins short, 1.6-1.7 in HL. Body bright red, edges of scales darker red; membranes of spinous portion of dorsal fin bluish gray, each with a black spot; each of first three membranes of soft portion of fin with a faint black spot (Ref. 57578).
背鰭鰭條 9,12; 臀鰭鰭條 3,12; 胸鰭鰭條 13. 側線鱗片 20+5. 頭部裸露的除了一或者二個小的部分深入的鱗片在鰓蓋背面上。 鰓耙 16-18. 體高 2.6-2.75 分之一標準體長。 吻形成的背面輪廓一個大約 50個 ° 的角, 頭部前端具有一個輕微的中央脊。 背鰭起點稍微在前鰓蓋骨邊緣後面; 第一背鰭棘柔韌有彈性又略長於第二根棘, 4.05-4.15 分之一頭長; 間隔的空間前面兩個背棘三分之二個間隔的空間第二個與第三根棘。 尾鰭略圓的。 胸鰭短, 1.6-1.7個 HL比率。 身體鮮紅色, 鱗片的邊緣暗紅色; 背鰭的刺狀部分的薄膜藍灰色的, 每個具有一個黑色的斑點; 鰭的柔軟部位的每一個最初三個薄膜具有一個模糊的黑色斑點。 (參考文獻 57578)

生物學特性     字彙 (例如 epibenthic)


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

Oviparous, distinct pairing during breeding (Ref. 205).西南太平洋: 現在已知只來自復活島了, 但是可能從南方的亞熱帶的島到西方的例如皮特凱恩群島與拉帕島在場。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Westneat, Mark | 合作者

Randall, J.E. and G.R. Allen, 2004. Xyrichtys koteamea, a new razorfish (Perciformes: Labridae) from Easter Island. Raffles Bull. Zool. 51(1):251-255. (Ref. 57578)

IUCN 瀕危狀態 (Ref. 130435)

  資料不足 (DD) ; Date assessed: 10 March 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Preferred temperature (Ref. 123201): 11.8 - 12.2, mean 12 °C (based on 7 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00397 - 0.02640), b=3.06 (2.84 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).