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> Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335).
More on authors: Regan & Trewavas.

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

Θαλασσινό(ά); εύρος βάθους 0 - 680 m (Ref. 11333). Tropical; 18°N - 4°S

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Eastern Atlantic: known only from the vicinity of Cape Verde to just south of the equator in the Gulf of Guinea.

Μέγεθος / Βάρος / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.1 cm SL αρσενικό/απροσδιόριστο; (Ref. 11333); 14.8 cm SL (female)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Two terminal bulbs separated by a long interspace, 0.6-1.8 times the length of distal bulb. Barbel length 76-92% SL. Short filaments 5-9 (less than 6% SL) without prominent bulblets, arising together from distal bulb or from a short distal stem; 1 filament thicker and longer than the rest. Some or all filaments with pigmented axes. Distal bulb long about twice as long as wide, with almost straight, parallel margins,1.5-2.5 times proximal-bulb length. Axis of stem and between bulbs with or without pigment; a black spot at proximal end of distal bulb in those with pigment. External chevron-shaped or roundish striated areas on stem unpigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 (Ref. 11333).

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

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Gibbs, R.H. and M.A. Barnett, 1990. Melanostomiidae. p. 308-337. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4468)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 22 May 2013

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
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Distribution
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Anatomy
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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.

Outreach
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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 123201): 11.6 - 17, mean 14.9 °C (based on 27 cells).

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

Bayesian length-weight: a=0.00302 (0.00117 - 0.00783), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 4.2 ±0.8 se; based on size and trophs of closest relatives

Ελαστικότητα (Ref. 120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).

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

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Eustomias melanonema Regan & Trewavas, 1930