Glaucostegidae

Giant guitarfishes

10 species

1. 1Glaucostegus cemiculus (Geoffroy Saint-Hilaire, 1817) · Blackchin guitarfishbrackish · ocean · subtropical
2. 2Glaucostegus granulatus (Cuvier, 1829) · Granulated guitarfishocean · subtropical
3. 3Glaucostegus halavi (Fabricius, 1775) · Halavi rayocean · subtropical
4. 4Glaucostegus microphthalmus (Teng, 1959) · Smalleyed guitarfishocean · tropical
5. 5Glaucostegus obtusus (Müller & Henle, 1841) · Widenose guitarfishocean · tropical
6. 6Glaucostegus petiti (Chabanaud, 1929) · Madagascar guitarfishocean · tropical
7. 7Glaucostegus spinosus (Günther, 1870) · Spiny guitarfishocean · tropical
8. 8Glaucostegus thouin (Anonymous [Lacepède], 1798) · Thouin rayocean · tropical
9. 9Glaucostegus typus (Anonymous [Bennett], 1830) · Giant shovelnose rayfresh · brackish · ocean · tropical
10. 10Glaucostegus younholeei Habib & Islam, 2001ocean · tropical

Source: FishBase v25.04 (fishbase.org), via cboettig/fishbase, fetched 2026-10-18.