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> Blenniiformes (Blennies) > Dactyloscopidae (Sand stargazers)
Etymology: Myxodagnus: Greek, myxos = mucus + Greek, agnos = pure (Ref. 45335); walkeri: Named after Boyd W. Walker in recognition of his fieldwork which produced much of the present material and many other eastern Pacific dactyloscopids (Ref. 39697).

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

seewasser demersal; tiefenbereich 0 - 6 m (Ref. 39697). Tropical

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Eastern Central Pacific: Nayarit, Mexico and Golfo de Nicoya, Costa Rica.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 5.5 cm SL Männchen/unbestimmt; (Ref. 39697)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 8 - 10; Rückenflossenweichstrahlen (insgesamt) : 28 - 31; Afterflossenweichstrahlen: 33 - 38. Preorbital length longer than diameter of pigmented eye; upper lip fimbriae usually 10-11; modally 2 pores in 1st preopercular canal; dorsum of head mainly speckled with small brown spots, without large blotches or spots; without a distinct suborbital bar or prominent blotches on lower jaw (Ref. 39697).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Williams, Jeffrey T. | Partner

Dawson, C.E., 1976. Studies on eastern Pacific sand stargazers 3. Dactylagnus and Myxodagnus, with description of a new species and subspecies. Copeia 1976(1):13-43. (Ref. 39697)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 24 March 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.3 ±0.6 se; based on size and trophs of closest relatives

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

Myxodagnus walkeri Dawson, 1976