Classification / Names
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Acanthuriformes (Surgeonfishes) >
Leiognathidae (Slimys, slipmouths, or ponyfishes) > Leiognathinae
Etymology: Leiognathus: Greek, leios = smooth + Greek, gnathos = jaw (Ref. 45335); robustus: Named for the robust nature and large size of the species when compared to all congeners except L. equulus and L. fasciatus; an adjective.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री. Tropical
वितरण
देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri
Western Paciific: Singapore.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 18.3 cm SL पुल्लिंग / अलिंग; (Ref. 76780)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 8; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 16; गुदा कांटा: 3; ऐनल सौफट रेज़: 14. This species is distinguished from Leiognathus equulus (the only other species of leiognathid known to possess a non-sexually dimorphic light organ system) by the having no occipital hump (vs. pronounced hump); with a mildly sloping predorsal profile (vs. strongly curved, creating the image of an arched back); with frontal and lateral ethmoid ossifications that project anterodorsally and extend well anterior of the orbit to form a distinct preorbital protuberance (vs. slight bulge above orbit); and unexposed nuchal spine in lateral view (vs. exposed and projecting, particularly distally) (Ref. 76780).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Sparks, J.S. and P.V. Dunlap, 2004. A clade of non-sexually dimorphic ponyfishes (Teleostei: Perciformes: Leiognathidae): phylogeny, taxonomy, and description of a new species. Am. Mus. Novit. 3459:1-22. (Ref. 76780)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00800 - 0.03777), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
