Issue
Issue on validity of subspecies: subspecies considered as valid in FB, elevated to species rank as Oxyporhamphus micropterus (Valenciennes, 1847) in Eschmeyer (CofF ver. Mar. 2011: Ref. 86697). Please send references, or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
ສັດທະເລ; ປາທີ່ມີການເຄື່ອນຍ້າຍໃນສະເພາະມາະຫາສະມຸດ (Ref. 51243); ລະດັບຄວາມເລິກ 0 - 1 m (Ref. 58302). Tropical; 20°N - 20°S
Indo-Pacific: East Africa to Tonga, north to southern Japan (Ref. 33390). Eastern Pacific: Mexico to Peru (Ref. 9306). Replaced in the Atlantic by Oxyporhamphus similis.
Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm 12.8, range 13 - 13 cm
Max length : 18.5 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 9843)
ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 0; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 13 - 15; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ
ກຸ່ມປາກະດູກແຂງ
ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ
ຄີກົ້ນຂອງປາ
ສັດທີ່ມີກະດູກສັນຫັຼງ
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 0; ຄີກົ້ນຂອງປາ: 13 - 16; ສັດທີ່ມີກະດູກສັນຫຼັງ: 47 - 50. Adults with a single large chamber to the swim bladder. Average number of gill rakers on the first arch, 30.7; predorsal scales, 31.1 on the average. Branchiostegal rays: 11-14 (Ref. 36576).
A true oceanic species, not bound to coastal waters at any period of its life (Ref. 9843).This species is the only halfbeak which doesn't have an extended lower jaw at the adult phase (Ref. 9306). Oviparous, with planktonic eggs and larvae (Ref. 36576).
Collette, B.B., 1986. Hemiramphidae. p. 388-391. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4164)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 26.3 - 29.2, mean 27.9 °C (based on 25608 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00150 - 0.00733), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.1 ±0.15 se; based on food items.
Generation time: 1.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (K=1.0).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).