Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 0 - 45 m (Ref. 11482). Tropical
Eastern Pacific Ocean: from the Gulf of California and southwestern tip of Baja California northward to Bahia Santa Maria. Former subspecies D. pectoralis fallax (Mexico to Ecuador, including Cocos Island) and D. pectoralis insulatus (Revillagigedo Islands) in Ref. 11482 were elevated to species level.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm TL mannelijk / geslacht onbekend; (Ref. 11482)
Distinguished from D. fallax and D. insulatus by having the following characters: scales absent above the lateral line; upper lip fimbriae, modally 9; preopercular canal pores, modally 5; unbranched labial fimbriae (Ref. 82814).
Found on sandy bottoms near reefs (Ref. 37955). Feeds on small fishes and invertebrates (Ref. 11482). Minimum depth from Ref. 58018.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
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Estimates based on models
Preferred temperature (Ref.
123201): 20.6 - 28.4, mean 24.7 °C (based on 56 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 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).
Trofisch niveau (Ref.
69278): 4.0 ±0.61 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).