分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria)
鱸形目 (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes)
雀鯛科 (Damselfishes) > Microspathodontinae
Etymology: Plectroglyphidodon: Greek,plektron = anything to strike with, spur + Greek, glyphis = carved + Greek, odous = teeth (Ref. 45335); sagmarius: Named for its broad black saddle-like bar on the caudal peduncle.
More on authors: Randall & Earle.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 礁區魚類; 深度上下限 0 - 18 m (Ref. 33558). 熱帶
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Eastern Central Pacific: Marquesas Islands.
中太平洋東部: 馬貴斯群島。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 4.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 33558)
背棘 (總數) : 7; 背的軟條 (總數) : 14 - 15; 臀棘: 2; 臀鰭軟條: 11 - 12; 脊椎骨: 26. Color of adults white with a broad brown bar on the head; 3 brownish yellow bars on the body; a large black saddle on the caudal peduncle (lacking in juveniles); and orange-yellow spinous portion on dorsal fin. Young with a large elliptical black spot basally and below posterior half of the soft part of dorsal fin, extending onto anterior part of the caudal peduncle, followed by a bright white spot. Moderately-deep body, 2.1-2.35 in SL. Tubed lateral line scales, 19-21, but usually 20 (Ref. 33558).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
成魚的顏色在頭部上白色的有一條寬的褐色橫帶; 在身體上的 3條黃褐色的橫帶; 在尾梗上的一個大的黑色鞍狀斑;(沒有稚魚) 而且在背鰭上的橘黃色的刺狀部分。 基部地幼魚有一個大的橢圓黑色的斑點被延伸到被跟隨著一個亮白色的斑點的尾梗的前部的背鰭的軟棘的部位的以下後半段。 中等深度身體,2.1-2.35 分之一標準體長。 管狀的側線鱗片,19-21, 但是通常 20.(參考文獻 33558)
Feeds on benthic algae (Ref. 89972). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Diurnal species (Ref. 54980).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).中太平洋東部: 馬貴斯群島。
Randall, J.E. and J.L. Earle, 1999. Abudefduf conformis and Plectroglyphidodon sagmarius, two new damselfishes (Pomacentridae) from the Marquesas Islands. Cybium 23(4):333-343. (Ref. 33558)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
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Estimates based on models
Preferred temperature (參考文獻
123201): 27.5 - 29, mean 28 °C (based on 118 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00497 - 0.03190), b=3.04 (2.82 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (參考文獻
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).
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