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Syngnathiformes (Pipefishes and seahorses) >
Syngnathidae (Pipefishes and seahorses) > Nerophinae
Eponymy: Anders Adolph Retzius (1796–1860) was Professor in Anatomy and Physiology at the Karolinska Institute, Stockholm. [...] (Ref. 128868), visit book page.
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع; نطاق العمق ? - 5 m (Ref. 86942). Tropical; 19°N - 21°S
Asia and Oceania: Indonesia and the Philippines southeastward to Ponape [=Pohnpei] and Samoa.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm ?, range 7 - ? cm
Max length : 14.5 cm SL ذكر/ مختلط الجنس; (Ref. 5316)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 32 - 42; أشعه شرجية لينه: 3 - 4. Body rings: Trunk 16; tail 30-31 (Ref. 6820).
Majority of collections are from freshwater streams and rivers. Probably reaches 14.5 cm SL. Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Males may be brooding at 6.6 cm SL (Ref. 5316).
Dawson, C.E., 1985. Indo-Pacific pipefishes (Red Sea to the Americas). The Gulf Coast Research Laboratory Ocean Springs, Mississippi, USA. (Ref. 5316)
IUCN Red List Status (Ref. 130435: Version 2024-2)
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00037 (0.00016 - 0.00085), b=3.18 (2.99 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).