#2053 · 🦈 sharks & rays
Cownose Ray
🇳🇱 Echte koeneusrog ·Rhinoptera bonasus
9 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
The cownose ray ( Rhinoptera bonasus ) is a species of eagle ray found throughout a large part of the western Atlantic and Caribbean, from New England, United States to southern Brazil (East Atlantic populations are now generally considered a separate species, R. marginata ). Cownose rays grow rapidly, and male rays often reach about 35 inches (89 cm) in width and weigh 26 pounds (12 kg). Females typically reach 28 inches (71 cm) in width and weigh 36 pounds (16 kg).
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 1,520 observations worldwide on iNaturalist.
- Scientifically named by Samuel L. Mitchill in 1815 (211 years ago).
- Listed as Vulnerable on the IUCN Red List.
fact sheet
- English
- Cownose Ray
- Nederlands
- Echte koeneusrog
- scientific name
- Rhinoptera bonasus
- class
- Chondrichthyes
- order
- Myliobatiformes
- family
- Rhinopteridae
- IUCN Red List
- VU · vulnerable
- sightings in NL
- 0
- sightings worldwide
- 1,520
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1815 by Samuel L. Mitchill
IUCN in Dutch: kwetsbaar. Blank means the sources don't say.
Sources: iNaturalist taxon 82385, Wikidata Q10360338, GBIF 5215777, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.