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Osmeriformes (Freshwater smelts) >
Osmeridae (Smelts)
Etymology: Hypomesus: Greek, hypo = under + Greek,mesos = a half (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ; ນ້ຳກ່ອຍ ກ່ຽວກັບ (ຢູ່) ໄກ້ໜ້ານ້ຳໃນທະເລເປີດ; ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລ ແລະ ໄປໄຂ່ຢູ່ນ້ຳຈືດ (Ref. 51243). Temperate; 73°N - 38°N (Ref. 26213)
North America: Sacramento-San Joaquin Delta region in central California, USA.
Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ?, range 6 - ? cm
Max length : 12.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 5723); common length : 6.3 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 12193); ອາຍຸສູງສຸດທີ່ເຄຍລາຍງານມາ: 1.00 ປີ (Ref. 12193)
ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 0; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 9 - 11; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ
ກຸ່ມປາກະດູກແຂງ
ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ
ຄີກົ້ນຂອງປາ
ສັດທີ່ມີກະດູກສັນຫັຼງ
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 0; ຄີກົ້ນຂອງປາ: 16 - 20; ສັດທີ່ມີກະດູກສັນຫຼັງ: 52 - 57. Vomer without posterior process; periphery of glossohyal bone with single row of conical teeth, central part toothless; pyloric caeca 4(2-5); base of adipose fin more than 20% of head length; eye large; adipose eyelid poorly developed.
Adults occur in open brackish and freshwater of large channels. Diet consists of zooplankton (Ref. 33312).
Eggs are demersal (Ref. 33312).
Saruwatari, T., J.A. López and T.W. Pietsch, 1997. A revision of the ormerid genus Hypomesus Gill (Teleostei: Salmoniformes), with a description of a new species from the southern Kuril Islands. Species Diversity 2:59-82. (Ref. 33312)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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ແຫຼ່ງອີນເຕີເນັດ
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00182 - 0.00758), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.2 ±0.1 se; based on diet studies.
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (tm=1; tmax=1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).