Trimma erdmanni Winterbottom, 2011
Erdmann’s pygmy goby
Trimma erdmanni
photo by Allen, G.R.

 Family:  Gobiidae (Gobies), subfamily: Gobiinae
 Max. size:  2.62 cm SL (male/unsexed)
 Environment:  demersal; depth range 12 - 66 m
 Distribution:  Western Pacific Ocean: Indonesia, Papua New Guinea and the Philippines.
 Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 8-8. This species is distinguished from its congeners by having the following characters: a reddish-orange body with a darker red to orange lateral stripe with darker borders on the body which extends anteriorly onto the head, where it bifurcates, and there is a thin longitudinal light stripe below the eye; usually lacks scales in the predorsal midline but when present, are separated from the first dorsal fin by an unscaled area; the second spine of the first dorsal is elongated; dorsal rays 9; anal rays 8; a single branch in the fifth pelvic fin ray; gill rakers on the first gill arch 19-22 (Ref. 87358); characterized further by having longitudinal scale series 23-24; cheek or opercle without scales; depth of body 3.8-4.2 in SL (Ref. 90102).
 Biology:  Inhabits coral reefs, often outer slopes on isolated rock or coral outcrops in 12-66 m (Ref. 90102).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:  Records from photos taken of collected materials from El Nido, Palawan; Davao Gulf, Mindanao; and Calamianes Is., Batangas (Ref. 87358).

 Entered by: Busson, Frédéric - 15.07.11
 Modified by: Valdestamon, Roxanne Rei - 17.04.13

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