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 2100
This map was computer-generated and has not yet been reviewed.
Hippocampus pontohi   AquaMaps   Data sources: GBIF OBIS
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Hippocampus pontohi
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Syngnathiformes (Pipefishes and seahorses) > Syngnathidae (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 生態学

; 海 底生の漂泳性; 移住性ではない; 深さの範囲 3 - 25 m (Ref. 79848), usually - m (Ref. ).   Tropical; 0°C -

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Western Pacific: Japan, Indonesia, Papua New Guinea, Solomon Is., Fiji; reported from Australia.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 1.7 cm SL オス/雌雄の選別がない; (Ref. 79848); 1.6 cm SL (female)

簡単な記述 形態学 | 形態計測学

背鰭 (合計): 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).

生物学     用語集 (例 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 | 繁殖 | 放精 | | 生産力 | 幼生

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

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Lourie, S.A. and R.H. Kuiter, 2008. Three new pygmy seahorse species from Indonesia (Teleostei: Syngnathidae: Hippocampus). Zootaxa 1963:54-68. (Ref. 79848)

IUCNのレッドリストの状況は (Ref. 124695)

  軽度懸念 (LC) ; Date assessed: 24 August 2016

CITES


CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 25.4 - 29.3, mean 28.5 °C (based on 1509 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00176 - 0.01132), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.0   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref. 59153):  Low vulnerability (10 of 100) .