Classification / Names
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Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Lythrypnus: Greek, lythros, -on = blood + Greek, hypnos = sleep (Ref. 45335).
More on author: Greenfield.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 0 - 15 m (Ref. 34188). Tropical
Southwest Atlantic: southern Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.6 cm SL male/unsexed; (Ref. 34188)
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. Dark bands lacking a pale central area; width of pale bands clearly less than width of dark bands; pattern on cheek consisting of numerous spots between posterior end of maxillary and preopercular margin, spots often separated by lines of pigment in light areas between spots; pectoral-fin base with two spots, a larger spot on ventral portion of base and a smaller spot on dorsal portion of base; pectoral fin rays modally 15 (Ref. 34188).
Collected from large rocks covered with algae, sponges, and bryozoans on a sand bottom (Ref. 34188).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Greenfield, D.W., 1988. A review of the Lythrypnus mowbrayi complex (Pisces: Gobiidae), wih description of a new species. Copeia 1988(2):460-470. (Ref. 34188)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 27.6, mean 27 °C (based on 161 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), 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
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).