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Asterropteryx Profunda, a New Species of Goby (Pisces: Gobiidae) from Papua New Guinea and Indonesia

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Asterropteryx Profunda, a New Species of Goby (Pisces: Gobiidae) from Papua New Guinea and Indonesia AQUA-22(4).qxp_AQUA 24/10/16 12:28 Pagina 145 aqua, International Journal of Ichthyology Asterropteryx profunda, a new species of goby (Pisces: Gobiidae) from Papua New Guinea and Indonesia Gerald R. Allen1 and Mark V. Erdmann2, 3 1) Department of Aquatic Zoology, Western Australian Museum, Locked Bag 49, Welshpool DC, Perth, Western Australia 6986. E-mail: [email protected] 2) Conservation International Indonesia Marine Program, Jl. Dr. Muwardi No. 17, Renon, Denpasar 80235 Indonesia. E-mail: [email protected] 3) California Academy of Sciences, 55 Museum Concourse Drive, San Francisco, CA 94118, USA Received: 11 July 2016 – Accepted: 03 October 2016 Keyowords zu dem auch A. bipunctata, A. ovata, A. senoui und A. spinosa Taxonomy, goby, deep-reef habitat, Indo-Pacific, New aus dem tropischen Westpazifik gehören. Guinea, Indonesia, Philippines. Die Art ähnelt weitgehend A. bipunctata und A. ovata, die durch zahlreiche orangene Flecken auf dem Kopf und Körp- Abstract er und einem auffälligen schwarzen Fleck auf der Schwanz - A new species of goby, Asterropteryx profunda, is described flosse Basis gekennzeichnet sind. Es unterscheidet sich jedoch on the basis of three adult specimens, 9.5-10.9 mm SL, erheblich von beiden Arten mit einem breiten, schwarzen from Milne Bay Province in Papua New Guinea and Lem- Balken unter dem Auge, einer vertikal eiförmigen anstatt ein- beh Strait, North Sulawesi Province of Indonesia. It has also er runden oder horizontal eiförmigen Markierung an der been photographed at Anilao, Luzon, Philippines. The new Schwanzflosse und ohne eine fadenförmige vierte dorsale taxon is a member of the spinosa complex of Asterropteryx, Wirbelsäule bei Erwachsenen. Es unterscheidet sich von A. which also includes A. bipunctata, A. ovata, A. senoui, and A. ovata, indem es alle präoperculären Stacheln von ähnlicher spinosa from the tropical western Pacific. Größe besitzt und von A. bipunctata, in dem ein großer It most closely resembles A. bipunctata and A. ovata, which schwarzer Fleck an der Basis der ersten drei dorsalen Stacheln are characterized by numerous orange spots on the head and fehlt. Die neue Art lebt in relativ tiefem Wasser, etwa 45- body and a conspicuous black spot on the caudal-fin base. 70 m, im Vergleich zu anderen Mitgliedern der Gattung. However, it differs notably from both species in possessing a broad, black bar below the eye, a vertically ovate rather than Résumé a round or horizontally ovate marking on the caudal-fin Une nouvelle espèce de Gobiidé, Asteropteryx profunda, est base, and lacking a filamentous fourth dorsal spine in adults. décrite sur base de trois spécimens adultes, 9,5 – 10,9 mm It further differs from A. ovata in having all the preopercular de LS, de la Milne Bay Province en Nouvelle-Guinée et de spines of similar size and from A. bipunctata in lacking a Lembeh Srait, North Sulawesi Province, Indonésie. Elle a large black spot at the base of the first three dorsal spines. aussi été photographiée à Anilao, Luzon, Philippines. Ce The new species occurs in relatively deep water, approxi- nouveau taxon est un membre du complexe spinosa d’As- mately 45-70 m, compared to other members of the genus. teropteryx qui comprend aussi A. bipunctata, A. ovata, A. senoui et A. spinosa de l’ouest du Pacifique tropical. Zusammenfassung Elle ressemble le plus à A. bipunctata et A. ovata, qui se Eine neue Art von Grundel, Asterropteryx profunda, wird carac térisent par de nombreuses taches orange sur la tête et auf der Grundlage von drei erwachsenen Exemplaren, 9,5- le corps et par une remarquable tache noire à la base de la 10,9 mm SL, aus der Provinz Milne Bay in Papua- caudale. Pourtant, elle se distingue notablement des deux es- Neuguinea und der Lembeh-Straße in der Nord-sulawesi- pèces par une large barre noire sous l’oeil, par une marque schen Provinz von Indonesien beschrieben. Die Art wurde plutôt verticalement ovale qu’une tache ovale arrondie ou auch in Anilao, Luzon, Philippinen fotografiert. Das neue horizontale à la base de la caudale, et par l’absence d’un qua- Taxon ist Mitglied des spinosa-Komplexes von Asterropteryx, trième rayon dur dorsal filamenteux chez les adultes. Elle se 145 aqua vol. 22 no. 4 - 22 October 2016 AQUA-22(4).qxp_AQUA 24/10/16 12:28 Pagina 146 Asterropteryx profunda, a new species of goby (Pisces: Gobiidae) from Papua New Guinea and Indonesia distingue encore d’A. ovata par toutes les épines préopercu- including Amblyeleotris, Ctenogobiops, and Vander- laires de même taille et d’A. bipunctata, par l’absence d’une horstia. However, unlike its proposed relatives, it is grande tache noire à la base des trois premiers rayons durs not associated with a permanent burrow excavated dorsaux. La nouvelle espèce se trouve en eau relativement by a shrimp partner, has spines on the preopercular profonde, environ 45 – 70 m, comparée aux autres espèces du genre. margin, and possesses separate pelvic fins in some species. Shibukawa & Suzuki (2007) provided evi- Sommario dence for the recognition of a species group (spinosa Una nuova specie di ghiozzo, Asterropteryx profunda, è de- complex) within Asterropteryx based on a suite of 10 scritta sulla base di tre esemplari adulti, 9,5-10,9 mm SL, cat- diagnostic features, including essential features such turati nella provincia di Milne Bay, Papua Nuova Guinea e as medially-fused pelvic fins with a well-developed nello Stretto di Lumbeh, provincia del Sulawesi Settentrio - membrane between the innermost rays, a frenum nale, Indonesia. È stata anche fotografata ad Anilao, Luzon, between the pelvic spines, 3-10 cheek spines be- Filippine. Il nuovo taxon è un membro del complesso di tween pores M’ and O’, absence of scales on the ven- specie spinosa di Asterropteryx, che comprende A. bipunctata, A. ovata, A. senoui e A. spinosa del Pacifico tropicale occiden- tral surface of the gill membrane and throat, and en- tale. Si avvicina più ad A. bipunctata e A. ovata, che sono larged scales on the opercle. In addition to A. spin- caratterizzate da numerose macchie arancioni sulla testa e sul osa, the complex contains A. bipuncata, A. ovata, corpo e una cospicua macchia nera sulla base della pinna cau- and A. senoui. The present paper describes the ninth dale. Tuttavia, si differenzia notevolmente da entrambe le member of the genus, which also belongs to the specie per possedere un’ampia barra nera sotto l'occhio e una spinosa complex. Unlike other members of the genus macchia di forma ovale in direzione verticale, piuttosto che it shows an affinity for relatively deep reef habitats, tonda o orientata in senso orizzontale, sulla base della pinna usually below about 60 m depth (except one pho- caudale, e per la quarta spina dorsale non filamentosa negli adulti. Differisce ancora da A. ovata per avere tutte le spine tographed individual from 45 m). We recently col- preopercolari di dimensioni simili e da A. bipunctata per la lected three specimens near East Cape in Milne Bay mancanza di una grande macchia nera alla base delle prime Province, Papua New Guinea and at Lembeh Strait tre spine dorsali. La nuova specie abita acque relativamente in North Sulawesi Province of Indonesia. It was also meno superficiali rispetto agli altri membri del genere, es- photographed near Anilao, Luzon, Philippines and sendo rinvenuta a circa 45-70 m di profondità. is probably widespread in the East Indian region. INTRODUCTION MATERIALS AND METHODS The genus Asterropteryx Rüppell 1830 contains The format of the new species description and small (less than about 35 mm SL), gobiid fishes methods for counting and measuring follow those of found mainly on rubble bottoms in the vicinity of Shibukawa & Suzuki (2007). The counts for the Indo-Pacific coral reefs. The genus contains the fol- holotype appear first, followed by the range for lowing described species: A. atripes Shibukawa & paratypes in parentheses (if different from the holo- Suzuki 2002, A. bipunctata Allen & Munday 1995, type). Measurements were made to the nearest 0.1 A. ensifera (Bleeker 1874), A. ovata Shibukawa & mm using digital dial calipers, and are presented in Suzuki 2007, A. semipunctata Rüppell 1830, A. Table I as percentage of the standard length (SL). senoui Shibukawa & Suzuki 2007, A. spinosa Goren Cyanine Blue 5R (acid blue 113) stain was used to 1981, and A. striata Allen & Munday 1995. All are make pores and papillae more obvious (Saruwatari widely distributed in the East Indian region, ranging et al. 1997) and an airjet was used to further accen- northward to Japan. Two of the species’ ranges ex- tuate them. Terminology and abbreviations for tend significantly beyond the East Indian region, cephalic pores and papilla rows follow those present- however; A. semipunctata is found from the Hawai- ed by Akihito (1984) and Shibukawa & Suzuki ian Islands and French Polynesia to the Red Sea and (2007). East Africa, whereas A. ensifera is known from the Digital x-rays were utilized for vertebral counts. Seychelles and Chagos Archipelago to the Marshall Type specimens are deposited at the Museum Zoo- and Society islands. Allen & Erdmann (2012) pro- logicum Bogoriense, Cibinong, Java, Indonesia vided a brief diagnosis, including morphological fea- (MZB) and the Western Australian Museum, Perth, tures, habitat information, distribution, and illustra- Australia (WAM). tion for each species (2012). Standard length (SL) was measured from the me- According to Thacker & Roje (2011) Asterropteryx dian anterior point of the upper lip to the base of the is most closely related to shrimp-associated gobies, caudal fin (posterior end of the hypural plate); body aqua vol. 22 no. 4 - 22 October 2016 146 AQUA-22(4).qxp_AQUA 24/10/16 12:28 Pagina 147 Gerald R. Allen and Mark V.
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