Fish out of water: Terrestrial jumping by fully aquatic fishes

Alice C Gibb, Miriam A. Ashley-Ross, Cinnamon M. Pace, John H. Long

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Many teleosts that live at the water's edge will voluntarily strand themselves to evade predators or escape poor conditions-this behavior has been repeatedly observed in the field for killifishes (Cyprinodontiformes). Although most killifishes are considered fully aquatic and possess no obvious morphological specializations to facilitate terrestrial locomotion, individuals from several different species have been observed moving across land via a "tail flip" behavior that generates a terrestrial jump. Like aquatic fast starts, terrestrial jumps are produced by high-curvature lateral flexion of the body (stage one), followed by contralateral flexion of the posterior body (stage two). Here, terrestrial jumps and aquatic fast starts are quantified for two littoral teleosts: Gambusia affinis (a killifish, Cyprinodontiformes) and Danio rerio (a small carp, Cypriniformes) to determine if the tail flip is produced by other (non-killifish) teleosts and to test the null hypothesis that the tail flip is a fast start behavior, performed on land. Both Danio and Gambusia produce tail flip-driven terrestrial jumps, which are kinematically distinct from aquatic escapes and characterized by (1) a prolonged stage one, during which the fish bends, lifting and rolling the center of mass over the caudal peduncle, and (2) a relatively brief stage two, wherein the caudal peduncle pushes against the substrate to launch the fish into the aerial phase. The ability of these fully aquatic fishes to employ the same structure to produce distinct kinematic patterns in disparate environments suggests that a new behavior has evolved to facilitate movement on land and that anatomical novelty is not a prerequisite for effective terrestrial locomotion.

Original languageEnglish (US)
Pages (from-to)649-653
Number of pages5
JournalJournal of Experimental Zoology Part A: Ecological Genetics and Physiology
Volume315 A
Issue number10
DOIs
StatePublished - Dec 1 2011

Fingerprint

Cyprinodontiformes
jumping
Tail
Killifishes
Fishes
tail
teleost
locomotion
peduncle
Locomotion
fish
water
Danio
Fundulidae
Gambusia
Cypriniformes
Gambusia affinis
Aptitude
Carps
Zebrafish

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Physiology
  • Molecular Biology

Cite this

Fish out of water : Terrestrial jumping by fully aquatic fishes. / Gibb, Alice C; Ashley-Ross, Miriam A.; Pace, Cinnamon M.; Long, John H.

In: Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, Vol. 315 A, No. 10, 01.12.2011, p. 649-653.

Research output: Contribution to journalArticle

Gibb, Alice C ; Ashley-Ross, Miriam A. ; Pace, Cinnamon M. ; Long, John H. / Fish out of water : Terrestrial jumping by fully aquatic fishes. In: Journal of Experimental Zoology Part A: Ecological Genetics and Physiology. 2011 ; Vol. 315 A, No. 10. pp. 649-653.
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