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Doboatherina balabacensis (Seale, 1910) Balabac Island silverside |
| Family: | Atherinidae (Silversides), subfamily: Atherinomorinae | |||
| Max. size: | ||||
| Environment: | demersal; marine | |||
| Distribution: | Western Pacific: Philippines. | |||
| Diagnosis: | Dorsal spines (total): 6-7; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 11-13; Vertebrae: 36-39. This species is distinguished by the following set of characters: ascending process of premaxilla is short and blunt, its height about two times maximum width, and shorter than horizontal length of premaxilla, its height about 2/5 of the horizontal length; premaxilla has a single lateral process; posterior upper margin of dentary with a small process; palatine toothless; midlateral scales are usually with vertical (including neotype) or chevron-shaped central groove, in some specimens the scales are with a round central pit on trunk; a short spatular outgrowth found usually on the posterior margin of anterior predorsal scales, no outgrowth on posterior predorsal scales; posterior margin of midlateral scales are round; head large, HL 27-30% SL; midlateral scales 33-36; total vertebrae 36-39; gill rakers on lower arch 21-24; midlateral band narrow, width about 1/3 to 3/5 of width of midlateral scale, its lower margin not reaching to lower margin of midlateral scale at the level of anal-fin origin (width of midlateral band 9.5-14% of body depth and 25-41% of caudal peduncle depth at the level of anal-fin origin) (Ref. 121273). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 14 August 2023 Ref. (130435) | |||
| Threat to humans: | harmless | |||