Facultative air-breathing in the genus ; Found in areas with mangrove prop roots, usually attached to, or moving about and feeding from, root surfaces at high tide . Stomach contents contained barnacle cirri and barnacle cyprid larvae, Sphaeroma peruvianum, small oysters and other bivalves, amphipods, and harpacticoid copepods .
Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 12; Anal spines: 0; Anal soft rays: 8 - 10; Vertebrae: 29 - 31. 4 (4-5) pairs of trifid incisors in upper jaw, 4 pairs in lower jaw; anus markedly closer to anal fin origin than to rear of disc; dorsal-caudal distance forward passing tip of, usually extending to about middle of, pectoral fin; margin of anterior nostril without dermal flap . Nearly transparent, light olive; body markings quite variable in intensity, ranging from dark and distinct to light and indistinct, sometimes giving an overall mottled appearance .: elongated.
Behavioural data for Tomicodon Abuelorum is currently being reviewed.
Diet information for Tomicodon Abuelorum is currently being compiled.
Reproduction data for Tomicodon Abuelorum is currently being compiled.
Marine; brackish; demersal. Tropical; 26°C - 30°C Central Pacific: Costa Rica.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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