Several studies of-the ecology of mesopelagic fishes off Hawaii published In the 1970s and 1980s reported the existence of as many as two. undescribed species In the Pacific Ocean. Diagnosed primarily on the basis of postorbital and accessory orbital photoohore size and size at maturity, three new species are described: P. liemi, new species, and A tantillux, new species, both endemic to tropical and subtropical Indo-Pacific water masses, and A lucingens, new species, a species distributed In the subtropical and tropical Pacific and South Atlantic oceans. Photostomias liemi and P. tantillux represent smaller forms, with females maturing at standard lengths less than 70 mm, making these species the smallest sexually mature stomiids. Despite the analysis of some 35 morphometric and meristic characters, females of P. liemi are Indistinguishable from females of A atrox. The current study brings the total number of valid species of Photostomias to six. A key to these six species is provided.
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Kagoshima Univ, United Grad Sch Agr Sci, 1-21-24 Korimoto, Kagoshima 8900065, Japan
LIPI, Res Ctr Oceanog, Jl. Pasir Putih I,Ancol Timur, Jakarta 14430, IndonesiaKagoshima Univ, United Grad Sch Agr Sci, 1-21-24 Korimoto, Kagoshima 8900065, Japan
Wibowo, Kunto
Motomura, Hiroyuki
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Kagoshima Univ, United Grad Sch Agr Sci, 1-21-24 Korimoto, Kagoshima 8900065, Japan
Kagoshima Univ Museum, 1-21-30 Korimoto, Kagoshima 8900065, JapanKagoshima Univ, United Grad Sch Agr Sci, 1-21-24 Korimoto, Kagoshima 8900065, Japan
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Univ Fed Rio De Janeiro, Programa Posgrad Ciencias Ambientais & Conservac, Inst Biodivers & Sustentabil, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RI, BrazilUniv Fed Rio De Janeiro, Programa Posgrad Ciencias Ambientais & Conservac, Inst Biodivers & Sustentabil, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RI, Brazil
Villarins, Barbara T.
Fischer, Luciano G.
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Univ Fed Rio De Janeiro, Inst Biodivers & Sustentabil NUPEM, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RJ, BrazilUniv Fed Rio De Janeiro, Programa Posgrad Ciencias Ambientais & Conservac, Inst Biodivers & Sustentabil, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RI, Brazil
Fischer, Luciano G.
Prokofiev, Artem M.
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Russian Acad Sci, Severtsov Inst Ecol & Evolut, Leninski Prospekt 33, Moscow 119071, Russia
Russian Acad Sci, Shirshov Inst Oceanol, Nakhimovski Prospekt 36, Moscow 117997, RussiaUniv Fed Rio De Janeiro, Programa Posgrad Ciencias Ambientais & Conservac, Inst Biodivers & Sustentabil, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RI, Brazil
Prokofiev, Artem M.
Mincarone, Michael M.
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Univ Fed Rio De Janeiro, Inst Biodivers & Sustentabil NUPEM, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RJ, Brazil
Chapman Univ, Schmid Coll Sci & Technol, 1 Univ Dr, Orange, CA 92866 USAUniv Fed Rio De Janeiro, Programa Posgrad Ciencias Ambientais & Conservac, Inst Biodivers & Sustentabil, Ave Sao Jose Do Barreto 764, BR-27965045 Macae, RI, Brazil