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> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Alionematichthys: Name from Latin alius meaning the other or different, and nematichthys, the stem of the genus name Dinematichthys, to which this genus is most similar.; ceylonensis: Named for its type locality which is formerly known as Ceylon; an adjective..
More on authors: Møller & Schwarzhans.

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

Θαλασσινό(ά) Υφαλόφιλο(α). Tropical

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Eastern Indian Ocean: Sri Lanka.

Μέγεθος / Βάρος / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.2 cm SL αρσενικό/απροσδιόριστο; (Ref. 81230)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Μαλακές ραχιαίες ακτίνες (συνολικά) : 75 - 83; Μαλακές εδρικές ακτίνες: 57 - 65; Σπόνδυλοι: 41 - 43. This species is distinct in having the following characters: D 75-83 (average 79); A 57-65 (average 60); moderately large eyes (2-2.8%SL); rounded snout, no cirri; only cheeks with scales; no upper preopercular pore; outer pseudoclasper broad-based, triangular, with distal knob on inner side, while the inner one with symmetrically developed anterior pointed lobe and posterior lobe resembling in shape a socket fitting to small knob on inner face of outer pseudoclasper; otolith length to height 2.3-2.4, with shallow dorsal rim; otolith length to sulcus length 1.5-1.6, ostium length to cauda length 3.3-4.0; vertebrae 11-12 + 29-31 = 41-43 (Ref. 81230).

A 5.3 cm SL gravid female (USNM 394975) with 80 embryos, 0.48 cm TL in length, and 60 orange eggs, 0.07 cm in diameter (Ref. 81230).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Møller, P.R. and W. Schwarzhans, 2008. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-west Pacific, Part IV. Dinematichthys and two new genera with descriptions of nine new species. The Beagle 24:87-146. (Ref. 81230)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Περισσότερες πληροφορίες

Trophic ecology
Τροφικά αντικείμενα
Diet compositions
Food consumptions
Food rations
Θηρευτές

Ecology
Οικολογία

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Αναπαραγωγή
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Προνύμφες
Δυναμική προνυμφών

Distribution
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Anatomy
Gill areas
Εγκέφαλοι
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Κολυμβητικός τύπος
Swimming speeds
Visual pigment(s)
Ήχοι ψαριών
Diseases / Parasites
Toxicities (LC50s)

Genetics
Γενετική
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Προφίλ υδατοκαλλιεργειών
Στελέχοι
Ciguatera cases
Stamps, coins, misc.

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Διαδικτυακές πηγές

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5005 [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).

Τροφικό Επίπεδο (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

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

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Alionematichthys ceylonensis Møller & Schwarzhans, 2008