FAMILY ECHENEIDAE — LACHNER 79 



rigid; dentition varied, jaws weakly or strongly armed with stout 

 caninelike teeth; pelvic fins broadly adnate to abdomen; body plain, 

 brown, pale, or bluish-brown, lackmg horizontal stripes. This genus 

 of sharksucker contains four species, distributed in all tropical seas. 

 Off shore forms tjrpically over deep water. 



REMORA REMORA (Linnaeus) 



Plate 131,C 



Echeneis remora Linnaeus, Systema naturae, ed. 10, p. 260, 1758 (type locality, 



"Pelago Indico"). 

 Echeneis squalipeta Daldorf, Skrint. Naturrh. Selsk., vol. 2, p. 157, 1793, 



=Remora osteochirl (type locality, Atlantic Ocean between the tropics). 

 Echeneis parva Gronow, in Gray, Catalogue of fish collected and described by 



L. T. Gronow, p. 92, 1854 (type locality, "Oceano Americano"). 

 Echeneis remoroides Bleeker, Nat. Tijdschr, Nederl.-Indie, vol. 9, p. 70, 1855 



(type locality, Batoe). 

 Echeneis poslica Poey, Memorias . . ., vol. 2, p. 255, 1860 (type locality, Cuba). 

 Remora remora Gill, Proc. Acad. Nat. Sci. Philadelphia, p. 239, 1862. 

 Echeneis nubifera Tanaka, Figures and descriptions of the fishes of Japan, vol. 19, 



pi. 94, figs. 302, 303; vol. 20, No. 131, p. 360, pi. 97, figs. 304, 305; 1915 (type 



locality, Japan?). 

 Rhornhochirus osteochir Gudger, Amer. Mus. Nov., No. 294, p. 3, fig. 2, 1928 (in 



part) . 

 Echeneis nubibera Okada and Matsubara, Keys to the fishes and fish-like animals 



of Japan, p. 376, 1938 (spelling error for E. nubifera Tanaka). 



SPECIMENS STUDIED 



Bikini Atoll: Six miles southwest of Enyu Island, in open ocean, from shark, 

 July 18, 1946, Chester Freeland, 3 specimens, 78 to 93 ram. 



Description. — 'Counts and measurements were taken from the three 

 specimens, 78 to 93 mm. Dorsal rays 23 to 26; anal rays 22 to 24; 

 pectoral rays 26 to 30; disk laminae 17; gill rakers, including all 

 rudiments, 5 to 6+26 to 28, total 32 to 35. 



Head length 27 to 28; snout length 13; least depth of caudal peduncle 

 5.1 to 7.1; disk length 37 to 38; disk width 18; all in percent of stand- 

 ard length. 



Teeth in jaws and on vomer in villiform patch, small, sharply 

 pointed and sUghtly recurved inwardly; patch on lower jaw broader, 

 those on outer margin larger. 



Oral denticles present on anterior margin of upper jaw, in single 

 row. These extend from each side of symphysis to about three- 

 fifths distance to angles of jaw. 



Diskspinules elongate, pointed, and arranged in about 2 transverse 

 rows; spinules directed posteriorly, longest on posterior row. 



Medial spinelike process in cavity before first laminae is laterally 

 compressed, short and wide, axe-shaped, rounded on dorso-posterior 

 margin. 



