Alejandro Alegría
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alex-alegria.bsky.social
Alejandro Alegría
@alex-alegria.bsky.social
Biologist.
Ecology and ethology of marine megafauna/ Fisheries management
https://goo.su/dQ2ClV
Reposted by Alejandro Alegría
En Junio de 1950, José Antonio Valverde visita las orillas del Pisuerga
Encuentra una anguila muerta y no le da ninguna importancia. Hace décadas que es impensable una anguila en Valladolid
Hoy, en vez de barbos y bogas habría especies invasoras
Lo de la ictiofauna ibérica es un colapso descomunal
May 30, 2025 at 12:07 PM
Reposted by Alejandro Alegría
Mackerel stocks near breaking point because of overfishing, say experts www.theguardian.com/environment/...
Mackerel stocks near breaking point because of overfishing, say experts
North-east Atlantic mackerel in decline and Good Fish Guide says shoppers should look for other options
www.theguardian.com
April 10, 2025 at 7:05 AM
Reposted by Alejandro Alegría
Las gaviotas patiamarillas en #Malaga ya están empezando una nueva temporada cría. Las fuentes de alimento predecibles, como las palomas, son un excelente recurso para cubrir los requerimientos energéticos de este ciclo biológico. Las aves no adultas intentarán hacerse con un bocado también...
March 17, 2025 at 12:50 PM
Reposted by Alejandro Alegría
Mamut de mamut.
This is an incredible 35,000-year-old carving of a mammoth that's actually made from mammoth ivory, recovered from Vogelherd Cave 🇩🇪 #FindsFriday

📷 Thilo Parg / CC-BY-SA-3.0
March 14, 2025 at 3:45 PM
Reposted by Alejandro Alegría
🚨 New review on lunar cycle effects on #tuna 🐟, #billfish 🐟, #sharks 🦈 & #rays with @sammy-shark.bsky.social & others! 🚨

🌑 🌒 🌓 🌔 🌕 🌖 🌗 🌘 🌑

We reviewed 190 studies that showed animals moved deeper with increasing lunar illumination. Check out our paper for best practices!

doi.org/10.1007/s111...
December 19, 2024 at 9:39 PM