Untitled - Alaska Resources Library

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Narcine entemedor Jordan & Starks, 1895. Giant Electric Ray. To 107 cm (42.1 in) TL (J. Bizarro, pers. comm.
to M. L.). Lagunas Ojo de Liebre-Guerrero Negro, central Baja California (De La Cruz-Agüero et al.
1996) to Caleta La Cruz, Peru (Chirichigno and Vélez 1998), including Gulf of California (McEachran
in Fischer et al. 1995). At depths of 1–100 m (3–328 ft) (min.: LACM 4997; max.: Amezcua Linares
1996). Considered by some authors to be a junior synonym of Narcine brasiliensis (Olfers, 1831).
Family Torpedinidae — Torpedo Electric Rays
Torpedo californica Ayres, 1855. Pacific Electric Ray or Pacific Torpedo Ray. To more than 137 cm (4.5 ft)
TL (Eschmeyer and Herald 1983). Sanriku, Japan (Hatooka in Nakabo 2002); Wiah Point, Graham
Island, northern British Columbia (Clemens and Wilby 1961) to Bahia de Sebastian Vizcaino, central
Baja California (Miller and Lea 1972). Sandy bottom at surf zone to 906 m (2,972 ft) (min.: Carlisle et
al. 1960; max.: Lauth 2000), usually shallower than 300 m.
Order Rajiformes
Family Rhinobatidae — Guitarfishes
Rhinobatos glaucostigma Jordan & Gilbert, 1883. Speckled Guitarfish. To 85 cm (33.5 in) TL (Amezcua
Linares 1996). Bahia Magdalena, southern Baja California (Galván-Magaña et al. 2000) to Ecuador
(Amezcua Linares 1996), including Gulf of California (McEachran in Fischer et al. 1995). Shallow water
to 112 m (367 ft; Amezcua Linares 1996).
Rhinobatos leucorhynchus Günther, 1867. Whitesnout Guitarfish. To 70.2 cm (27.6 in) TL (Arellano-
Martinez et al. 1997). Lagunas Ojo de Liebre-Guerrero Negro, central Baja California (Arellano-Martinez
et al. 1997) to Ecuador (McEachran in Fischer et al. 1995), including Gulf of California (Castro-Aguirre
and Espinosa Peréz 1996). At depths of 2–8 m (7–26 ft) (min.: LACM 33557.001; max.: Arellano-
Martinez et al. 1997), perhaps to 50 m (164 ft; Robertson and Allen 2002).
Rhinobatos productus Ayres, 1854. Shovelnose Guitarfish. To 1.56 m (61.5 in) TL (Baxter 1966). The 1.7 m
given in Eschmeyer and Herald (1983) is based on a misprint (D. A. Ebert, pers. comm. to M. L.). San
Francisco, northern California (Miller and Lea 1972) to southern Mexico, including Gulf of California
(McEachran in Fischer et al. 1995). At depths of 1–91 m (3–298 ft; Ebert 2003).
Zapteryx exasperata (Jordan & Gilbert, 1880). Banded Guitarfish. To 97 cm (38.2 in) TL (Ebert 2003).
Jalama Beach, central California (M. L., unpubl. data) to Gulf of California; also reported as far south as
Caleta La Cruz, Peru (Chirichigno and Vélez 1998). Ebert (2003) questions captures south of Mazatlán,
Mexico, noting possible confusion with Zapteryx xyster, a more southerly species. Tidepools and to
200 m (656 ft) (min.: Eschmeyer and Herald 1983; max.: De La Cruz-Agüero et al. 1997).
Family Platyrhynidae — Thornbacks
Platyrhinoidis triseriata (Jordan & Gilbert, 1880). Thornback. To 76 cm (30 in) TL (Miller and Lea 1972).
Tomales Bay, northern California (Plant 1989) to Gulf of California (McEachran in Fischer et al. 1995); also
reported from Ecuador (Béarez 1996). Gulf of California population probably isolated (Castro-Aguirre and
Espinosa Peréz 1996). Surf zone to 137 m (449 ft) (min.: Carlisle et al. 1960; max.: Ebert 2003).
Family Rajidae — Skates
Amblyraja badia (Garman, 1899). Broad Skate or Roughshoulder Skate. To 98.5 cm (38.8 in) TL (Zorzi and
Anderson 1988). Southern Sea of Okhotsk and Pacific coast of northern Japan (Hatooka et al. in Nakabo
2002) to Navarin Canyon, northern Bering Sea (Ebert 2003, Stevenson 2004) and Aleutian Islands (UW
47007) to northern British Columbia (G. E. Gillespie, pers. comm. to C. W. M.), to central Panama,