Hydrolycus scomberoides. The Vampire Tetra
What fish has the shortest lifespan? Eviota sigillata The Sign Eviota, Eviota sigillata, a tiny coral reef fish, completes its entire life cycle within an eight week period. This species has the shortest lifespan of any vertebrate. In their 2005 paper Martial Depczynski and David Bellwood describe the Sign Eviota's remarkable life cycle. Read more … Read more