Robuta

https://en.wikipedia.org/wiki/Black_ghost_knifefish Black ghost knifefish - Wikipedia black ghost knifefish wikipedia https://www.fws.gov/media/ecological-risk-screening-summary-black-ghost-knifefish-apteronotus-albifrons-uncertain-risk Ecological Risk Screening Summary - Black Ghost Knifefish (Apteronotus albifrons) - Uncertain Risk... black ghost knifefish apteronotus albifrons ecological risk screening