Contribuciones a la ictiologia: V - VI sobre algunas especies de Gobiidae de la colección del Laboratorio Aragó (Banyuls-sur-mer, Francia) y descripción de un nuevo genero (Austrogobius) sudamericano

Journal of Fish Biology

1973

The Mediterranean gobiid genus Pseudaphya Iljin, 1930, formerly containing two nominal species, the type Ps. ferreri (O. De Buen & Page, 1908) and Ps. pelagica De Buen, 1931, is now believed to be monotypic after examination of Adriatic material originally identified as Gobius pusillus Canestrini, 1861. The last is here provisionally regarded as Pomato‐schistus knerii (Steindachner, 1861). The genus Pseudaphya is redefined, with additional osteological features, and its single species, Ps. ferreri, redescribed. In comparison with other small transparent gobiids, Pseudaphya is shown to possess certain primitive features and a possible mode of evolution for this group of tiny gobies by neoteny from postlarvae of hill‐stream sicydiines is discussed. An origin from less specialized gobiines seems more acceptable.

The species of Pseudaphya (Teleostei: Gobiidae) and the evolution of aphyiine gobies

Journal of Fish Biology

1973

The systematic position of a West African gobioid fish, Eleotris maltzani Steindachner

Zoological Journal of the Linnean Society

1981

New material from inshore waters of Ghana has permitted redescription of Eleotris maltzani Steindachner 1882, for which Batanga angustifrons Blanc, Cadenat & Stauch, 1968, is found to be a junior synonym. Aspects of die skeleton, head lateral‐line system, pelvic fins and odier external features justify recognition of a new genus, Wheelerigobius, for this small species. Despite virtually separate pelvic fins, Wh. maltzani is shown by osteological and lateral‐line criteria to belong within the Gobiinae, rather man Eleotrinae. Despite some marked autapomorphy in pattern of suborbital sensory papillae, Wh. maltzani most closely resembles die Mediterranean‐Atlantic genus Gobius, although affinity with the neighbouring Millerigobius is also discussed.

The osteology and adaptive features of Rhyacichthys aspro (Teleostei: Gobioidei) and the classification of gobioid fishes

1973

Journal of Zoology

The osteology of the gobioid fish Rhyacichthys aspro (Valenciennes, 1837), from tropical hill‐streams of the Indo‐Australasian archipelago, is described. Adaptive features of external form and skeleton are considered with reference to life in torrential conditions. The systematic position of Rhyacichthys in the suborder Gobioidei is confirmed, and structure of the caudal skeleton in this genus, with other features, is found to support an acanthopterygian rather than paracanthopterygian origin for the gobioid fishes. In lateral‐line system (here redescribed) and caudal skeleton, Rhyacichthys is shown to possess primitive features unique among gobioids. Previous systems of internal classification for the Gobioidei, and the inadequate fossil record of the group, are summarized, and the systematic value of certain skeletal criteria discussed. The suborder is now reclassified on a phylogenetic basis into two families, Rhyacichthyidae and Gobiidae, with the latter divided into seven sub‐families: Eleotrinae, Pirskeninae, Xenisthminae, Gobionellinae, Tridentigerinae, Gobiinae, and Kraemeriinae.