Species that contain: Echidna and nocturna [ 6 ] records

acutis, Muraena Seale [A.] 1917:89 [Bulletin of the Museum of Comparative Zoology v. 61 (no. 4); ref. 4001] San Miguel, Pearl Islands, Gulf of Panama, eastern Pacific. Holotype (unique): MCZ 3960. Type catalog: Böhlke & Smith 2002:90-91 [ref. 26380]. Genus originally misspelled Mauraena. •Synonym of Echidna nocturna (Cope 1872) -- (Böhlke & Smith 2002:91 [ref. 26380], Smith 2012:6 [ref. 32155]). Current status: Synonym of Echidna nocturna (Cope 1872). Muraenidae: Muraeninae. Habitat: marine.

arae, Gymnothorax Borodin [N. A.] 1928:8 [Bulletin Vanderbilt Oceanographic Museum v. 1 (art. 1); ref. 526] Darwin Bay, Tower Island [Genovesa], Galápagos Islands. Holotype: AMNH 222126 [ex VMM 74]. Type catalog: Böhlke & Smith 2002:93 [ref. 26380] •Synonym of Gymnothorax dovii (Günther 1870) -- (McCosker & Rosenblatt 1975:425 [ref. 9341]). •Synonym of Echidna nocturna (Cope 1872) -- (Böhlke & Smith 2002:93 [ref. 26380], Smith 2012:6 [ref. 32155]). Current status: Synonym of Echidna nocturna (Cope 1872). Muraenidae: Muraeninae. Habitat: marine.

chionostigma, Echidna Fowler [H. W.] 1912:28, Fig. 7 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 64; ref. 1385] Probably from the Gulf of California, Mexico. Holotype: ANSP 14519. Paratypes: ANSP 14520 (1). Type catalog: Böhlke 1984:130 [ref. 13621], Böhlke & Smith 2002:102 [ref. 26380] •Synonym of Echidna nocturna (Cope 1872) -- (McCosker & Rosenblatt 1975:424 [ref. 9341], Böhlke & Smith 2002:102 [ref. 26380], Smith 2012:6 [ref. 32155]). Current status: Synonym of Echidna nocturna (Cope 1872). Muraenidae: Muraeninae. Habitat: marine.

nocturnus, Poecilophis Cope [E. D.] 1872:474 [U. S. Geological Survey Territitories Annual Report v. 5 (pt 4); ref. 923] Río Grande at San Jose, Costa Rica. Holotype: ANSP 14926. Type catalog: Böhlke 1984:130 [ref. 13621], Böhlke & Smith 2002:131-132 [ref. 26380] Locality questioned, San Jose is too far inland -- Smith 2012:6 [ref. 32155]. •Valid as Echidna nocturna (Cope 1872) -- (Böhlke et al. 1989:130 [ref. 13286], Allen & Robertson 1994:43 [ref. 22193], McCosker & Rosenblatt in Fischer et al. 1995:1307 [ref. 22830], Allen & Robertson 1997:818 [ref. 41086], Grove & Lavenberg 1997:148 [ref. 24023], Chirichigno F. & Vélez D. 1998:127 [ref. 24555], Thomson et al. 2000:45 [ref. 25640], Böhlke & Smith 2002:132 [ref. 26380], Nelson et al. 2004:60 [ref. 27807], Love et al. 2005:17 [ref. 37547], Béarez & Séret 2009:145 [ref. 36646], McCosker & Rosenblatt 2010:188 [ref. 30957], Smith 2012:6 [ref. 32155], Page et al. 2013:60 [ref. 32708], Fourriére et al. 2016:441 [ref. 34668], Del Moral-Flores et al. 2016:606 [ref. 34923], González-Murcia et al. 2019:289 [ref. 36544], Dale et al. 2021:311 [ref. 38298], Love et al. 2021:33 [ref. 39279], Page et al. 2023:51 [ref. 40505], Vela-Espinosa et al. 2023:5 [ref. 40981]). Current status: Valid as Echidna nocturna (Cope 1872). Muraenidae: Muraeninae. Distribution: Eastern Pacific: Pacific coast of southern Baja California Sur (Mexico) south to Peru, including southern Gulf of California (Mexico), Clipperton Island (France) and Galápagos Islands (Ecuador). Habitat: marine.

rotchii, Rabula Clark [H. W.] 1936:384 [Proceedings of the California Academy of Sciences (Series 4) v. 21 (no. 29); ref. 839] Tidepools, Black Beach Anchorage, Santa María Island [Charles Island], Galápagos Islands. Holotype (unique): CAS 4964. •Synonym of Echidna nocturna (Cope 1872) -- (McCosker & Rosenblatt 1975:424 [ref. 9341], Smith & Böhlke 2006:36 [ref. 28678], Smith 2012:6 [ref. 32155]). Current status: Synonym of Echidna nocturna (Cope 1872). Muraenidae: Muraeninae. Habitat: marine.

scabra, Echidna Garman [S.] 1899:314 [Memoirs of the Museum of Comparative Zoology v. 24; ref. 1540] Cocos Island, eastern Pacific. Holotype (unique): MCZ 28451. •Synonym of Echidna nocturna (Cope 1872) -- (McCosker & Rosenblatt 1975:424 [ref. 9341], Smith & Böhlke 2006:36 [ref. 28678], Smith 2012:6 [ref. 32155]). Current status: Synonym of Echidna nocturna (Cope 1872). Muraenidae: Muraeninae. Habitat: marine.