Inhabits lagoons and along shorelines of outlying islands . During daylight, schooling fish may be periodically seen to jump out of the water to avoid predators. They are also easily attracted to light. The fish are gravid at about 4-4.5 cm SL by July in the northern hemisphere. Because of their large numbers, they are probably important as forage food for larger fishes .
Dorsal spines (total): 6 - 8; Dorsal soft rays (total): 8 - 12; Anal spines: 1; Anal soft rays: 12 - 17. Ascending process of premaxilla long and slender; ramus of dentary highly elevated posteriorly; midlateral band wide, broadest between anus and anal fin . First dorsal fin above middle of body; second dorsal fin originates behind the beginning of the anal fin; mid-lateral scales 40-43; transverse scales 5; predorsal scales 16-19 . Midlateral band width 2.3-3.3 in body depth . : elongated; Cross section: oval.
Behavioural data for Barnes' silverside is currently being reviewed.
Oviparous, distinct pairing during breeding .
Marine; reef-associated; depth range 0 - 5 m . Tropical; 12°N - 20°S East Africa to the northern Cook Islands, north to New Guinea and the Marshall Islands, south to northern Australia, New Caledonia and Fiji.
| Language | Common Names |
|---|---|
| 🇬🇧English | Barnes' Hardyhead · Barnes' silverside · Barnes’ Silverside · Slender Silverside |
| 🌍CES | gavún Barnesův |
| 🇫🇷French | Athérine de Barnes |
| 🇯🇵Japanese | Osujiisoiwashi · オオスジイソイワシ |
| 🇷🇺Russian | Гипоатерина Барнеса |
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Allanetta klunzingeri | Smith | 1965 | Synonym |
| Hypoatheria barnesi | Schultz | 1953 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
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