Myliobatis californica

Gill, 1865

Bat eagle ray
Classification: Elasmobranchii Myliobatiformes Myliobatidae

Reference of the original description
Gill, T. (1865)
Note on the family of myliobatoids, and on a new species of Aetobatis. Annals of the Lyceum of Natural History of New York, 8(13), 135–138

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Aetobatus californicus, Holorhinus californicus, Holorhinus vespertilio, Myliobatis californicus, Myliobatis cf. californica, Rhinoptera encenadae, Rhinoptera ensenadae, Rhinoptera vespertilio

Myliobatis californica
XXXX: No types known;
Rhinoptera encenadae
Holotype: USNM: 37966

Description :

Citation: Myliobatis californica Gill, 1865: In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 04/2024

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Myliobatis californica Gill, 1865 (ERB 1093), female, 41, 9 cm DW, 68, 5 cm TL, California, USA © Frederik H. Mollen (Elasmobranch Research Belgium)
Common names
spa Raya gavilán, spa Raya murciélago, spa Tecolote, fra \(T\) Aigle de mer técolette, eng Bat eagle ray, eng Bat ray

Eastern Pacific: Oregon, USA to Gulf of California [17050] and the Galapagos Islands [16090]. Source:

Human uses
aquarium: public aquariums

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures [733]. [17641].

Size / Weight / Age
180 cm WD (male/unsexed; [17050]); max. published weight: 82.1 kg (Ref. 40637)

demersal; marine; depth range 0 - 46 m [1658]

shark-references Species-ID=3870;

Parasites (arranged by Jürgen Pollerspöck)
  • Anaporrhutum euzeti Curran, Blend & Overstreet, 2003 [23771]
  • Probolitrema richiardii (López, 1888) [16108] [23771]

  • Eudactylina nykterimyzon Deets, 1994 [17867]
  • Trebius latifurcatus Wilson, 1921 [14624]