| Gobiidae (Gobies), subfamily: Gobionellinae |
| 15.62 cm SL (male/unsexed); 11.9 cm SL (female) |
|
demersal |
| Eastern Central Pacific: from Sonora, Mexico to Guayaquil, Ecuador; including freshwaters (above tidal influence) of Rio Grande at Miraflores in Panama. |
|
Dorsal spines (total): 6-6; Dorsal soft rays (total): 12-14; Anal spines: 1-1; Anal soft rays: 13-14. This species differs from its congeners by the following characters: mouth terminal and slightly oblique; upper pectoral fin base dusky, not dark; a large dark patch above the pectoral fin base on trunk just beneath nape, most distinct in males and large females; second dorsal fin with 13 elements, anal fin with 14 elements; the first and second dorsal fins are not broadly connected; small ctenoid scales on the body posteriorly, with cycloid scales limited to anteriormost portion of trunk, 50-73 in a lateral series; nape with many small scales; first gill arch with 8 thin rakers on ceratobranchial and 7 on epibranchial; third transverse suborbital row of free neuromasts on cheek extending dorsally above horizontal midcheek row ‘b’, usually to orbit; horizontal midcheek row ‘b’ not extending forward beyond third transverse suborbital row (Ref. 55435). |
| Inhabits estuaries and brackish mangrove creeks. Also recorded from rivers (Ref. 45915). |
|
(Ref. 96402)
|
| harmless |
|
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