Hippocampus pontohi, Pontoh's pygmy seahorse

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Hippocampus pontohi Lourie & Kuiter, 2008

Pontoh's pygmy seahorse
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hippocampus pontohi   AquaMaps   Data sources: GBIF OBIS
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Hippocampus pontohi
Picture by Winkel, D.

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

Teleostei > Syngnathiformes (Pipefishes and seahorses) 海龍目 (Pipefishes and seahorses) > Syngnathidae (Pipefishes and seahorses) 海龍科 (Pipefishes and seahorses) > Syngnathinae
Etymology: Hippocampus: Greek, ippos = horse + Greek,kampe = curvature (Ref. 45335);  pontohi: Named for Hence Pontoh, the Indonesian dive guide who first brought these pygmy seahorses to our attention..

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

海洋 底中水層性; 非遷移的; 深度上下限 3 - 25 m (Ref. 79848).

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

Western Pacific: Indonesia to the Solomon Is. and Fiji (Ref. 118476); north to Japan (Ref. 79848, 124757).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 1.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 79848); 1.6 cm SL (female)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 12. This species is distinguished from its congeners by the following set of characters: 4 subdorsal rings; 2 pairs of bilaterally wing-like protrusions formed by a pair of large truncate spines projecting laterad on both first and second superior trunk ridges; flat laterodorsal surface on the third and fourth trunk rings; 28 tail rings 28; 14 dorsal-fin rays; 10 pectoral-fin rays (Ref. 118476).

生物學特性     字彙 (例如 epibenthic)

Hippocampus pontohi has been observed on the coralline algae Halimeda, as well as on the hydroid Aglaephenia cupressina (Müller and Severns, pers. comm.). Severns noted it particularly in areas where Halimeda is growing on reef walls. It has been recorded at a number of areas in Indonesia (Bunaken, Cape Sri, Sorong, Wakatobi, Lembeh Straits), at depths of between 11-25 m particularly on vertical walls or in rock fissures on current-swept walls where it will tend to occur on the side of the fissure that faces away from the current, but in all cases where there is some upward current (Müller, pers. comm.) and has been seen swimming over a fungiid coral (Hardt, pers. comm.). Hippocampus pontohi is commonly found in pairs and, like H. denise, is relatively active in the morning and late afternoon when it is not in direct sunlight (Müller, pers. comm.). Two of the specimens examined were pregnant and each contained approximately 11 embryos (Ref. 79848).

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

Male carries the eggs in a brood pouch (Ref. 205).

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Lourie, S.A., R.A. Pollom and S.J. Foster, 2016. A global revision of the seahorses Hippocampus Rafinesque 1810 (Actinopterygii: Syngnathiformes): taxonomy and biogeography with recommendations for further research. Zootaxa 4146(1):1-66. (Ref. 115213)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 24 August 2016

CITES


CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 123201): 25.4 - 29.3, mean 28.5 °C (based on 1509 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00177 - 0.01127), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.5 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).