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> Ovalentaria/misc (Various families in series Ovalentaria) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653); macrognathus: Name from Greek 'makros' for long and 'gnathos' for jaw (Ref. 26893).
More on author: Poey.

Environment: milieu / climate zone / depth range / distribution range ນິເວດວິທະຍາ

ສັດທະເລ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 0 - 44 m (Ref. 26893). Tropical

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Western Atlantic: southern Florida, USA and Bahamas to northern South America. Including Antilles but absent in Jamaica (Ref. 26938).

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: L_m ? range ? - ? cm
Max length : 20.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 7251)

Short description ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 11; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 16 - 17; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ ກຸ່ມປາກະດູກແຂງ ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ ຄີກົ້ນຂອງປາ ສັດທີ່ມີກະດູກສັນຫັຼງ ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 3; ຄີກົ້ນຂອງປາ: 14 - 16. Black spot on upper half of dorsal fin from sixth or seventh to ninth spines. Males have long, upcurved extension of maxillary bone marked with black bands (Ref. 26938). Females appear to lack the long double-banded maxilla, and there is only a single blackish band at the corner of the mouth (Ref. 13442).

Inhabits sandy bottoms near coral reefs (Ref. 9710). Feeds on gastropods, crabs and fishes (Ref. 13628). Monogamous (Ref. 52884). Oviparous, mouthbrooding by males (Ref. 205).

Life cycle and mating behavior Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ

Displays facultative monogamy where males are constrained to mate with a single female due to resource limitation (Ref. 52884). Males incubate the eggs in the mouth (Ref. 205).

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Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 23 January 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

ການປະມົງ: ເປັນສີນຄ້າ; ຕູ້ປາ: ເປັນສີນຄ້າ

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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

ແຫຼ່ງອີນເຕີເນັດ

Estimates based on models

Preferred temperature (Ref. 123201): 25.3 - 28.1, mean 27 °C (based on 180 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

ຊັ້ນເຂດຮ້ອນ (Ref. 69278): 3.6 ±0.6 se; based on diet studies.

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Price category (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 86 [47, 127] mg/100g; Iron = 0.652 [0.404, 1.063] mg/100g; Protein = 18.5 [17.5, 19.5] %; Omega3 = 0.0952 [, ] g/100g; Selenium = 34.8 [17.1, 65.0] μg/100g; VitaminA = 97.3 [34.5, 269.5] μg/100g; Zinc = 1.63 [1.12, 2.23] mg/100g (wet weight);

Opistognathus macrognathus Poey, 1860