Neopomacentrus aktites, Western Australian demoiselle

Neopomacentrus aktites Allen, Moore & Allen, 2017

Western Australian demoiselle
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Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Pomacentridae (Damselfishes) 雀鯛科 (Damselfishes) > Pomacentrinae
Etymology: Neopomacentrus: Greek, neos = new + Greek,poma = cover, operculum + Greek,kentron = sting (Ref. 45335);  aktites: Name from Greek meaning shore dweller; referring to its relatively shallow-water habitat; noun in apposition.

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

; 海洋 礁區魚類; 深度上下限 1 - 10 m (Ref. 117117).   

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Eastern Indian Ocean: Western Australia.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 5.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 117117)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 13; 背的軟條 (總數): 10-12; 臀棘 2; 臀鰭軟條: 10 - 12; 脊椎骨: 26. This species is distinguished by the following characters: D XIII,10-12 (usually 11); A II,10-12 (usually 11); pectoral-fin rays 17-19 (rarely 19); tubed lateral-line scales 16-19 (usually 17-18); total gill rakers on first arch 21-23 (usually 21-22); body depth 2.2-2.4 in SL; ventral margin of suborbital exposed (i.e. not hidden by scales); middle fin rays of dorsal and anal fins filamentous; dorsal and ventral margins of caudal fin filamentous; mainly dark brown in life except pale posteriormost parts of dorsal and anal fins and pale central portion of caudal fin; dark margins of caudal fin restricted to proximal half of fin; small dark spot at upper pectoral-fin base, but not extending into axil of fin (Ref. 117117).

生物學特性     字彙 (例如 epibenthic)

This species is generally associated with rocky substrates with ample crevices and coral formations, utilized for shelter. These are captured from about 1-10 m, with considerable tidal fluctuation (10+ m), especially along the Kimberley coast. Usually in large aggregations, which feed well above the bottom on zooplankton (Ref. 117117)..

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


主要參考資料 Upload your references | 參考文獻 | 合作者 : Allen, Gerald R. | 合作者

Allen, G.R., G.I. Moore and M.G. Allen, 2017. Neopomacentrus aktites, a new species of damselfish (Pisces: Pomacentridae) from Western Australia. J. Ocean Sci. Found. 29:1-10. (Ref. 117117)

IUCN 瀕危狀態 (Ref. 120744)

  未評估 

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00668 - 0.03273), b=2.99 (2.80 - 3.18), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.3   ±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.).
瀕危性 (Ref. 59153):  Low vulnerability (12 of 100) .