Atlantic Sand Stargazers (Pisces: Dactyloscopidae), with Description of One New Genus and Seven New Species
Abstract:The Atlantic dactyloscopids, including seven genera (two monotypic) and 17 species are reviewed and notes are included on generic relationships. Key, diagnoses and descriptions are provided and each species is illustrated. One new genus and seven new species are described and a neotype is selected for Dactyloscopus poeyi Gill. The genus Dactyloscopus is represented by D. tridigitatus Gill which ranges from the Bahamas and southeastern Florida to Brazil and along western Caribbean shores; D. poeyi Gill has a similar distribution but it is not recorded from Florida; D. moorei (Fowler) occurs along the Atlantic seaboard and in the Gulf of Mexico from North Carolina to Texas; D. crossotus Starks is known from the Bahamas to Barbados, from Brazil and from a short stretch of the southeastern Florida coast (Fort Pierce-Fort Lauderdale), it is not known from the Gulf of Mexico or western Caribbean; D. boehlkei n. sp. is described from the Bahamas; D. comptus n. sp. is known from the Bahamas and (provisionally) Puerto Rico and Virgin Is.; D. foraminosus n. sp. is described from off the mouth of the Amazon River, and a few specimens from southeastern Florida are provisionally referred to this species. Four genera are represented by single species: Dactylagnus peratikos Böhlke (Costa Rica, Panamá), Myxodagnus belone Böhlke (Bahamas, Puerto Rico), Leurochilus acon Böhlke (Bahamas, Lesser Antilles), and Storrsia olsoni n. gen. and sp. (Fernando de Noronha, Brazil). The genus Gillellus includes four Atlantic species: G. uranidea Böhlke (Bahamas, SE Fla., Antilles, W Caribbean), G. greyae Kanazawa (Bahamas, SE Fla., Antilles, Brazil and W Caribbean), G. healae n. sp. (S Carolina, E Fla., W Fla., Aruba) and G. jacksoni n. sp. (Lesser Antilles). There are two Atlantic species of Platygillellus: P. rubrocinctus (Longley), known from the Bahamas, southeastern Florida, the Antilles and W Caribbean, and P. smithi n. sp. from the Bahamas. Pending confirming collections, records of Dactyloscopus tridigitatus and Gillellus greyae from Bermuda are considered questionable. The family includes nine genera which appear to represent two principal lineages, the dactyloscopoids (Dactyloscopus, Dactylagnus, Myxodagnus) and the gillelloids which include all remaining genera except Storrsia. The latter appears to be intermediate between the dactyloscopoids and the gillelloids.
Document Type: Research Article
Publication date: 1982-01-01
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