@article{PAR00019874, title = {{R}elationship of escape performance with predator regime and ontogeny in fishes}, author = {{D}iamond, {K}. {M}. and {L}agarde, {R}. and {S}choenfuss, {H}. {L}. and {W}alker, {J}. {A}. and {P}onton, {D}ominique and {B}lob, {R}. {W}.}, editor = {}, language = {{ENG}}, abstract = {{P}opulations exposed to sustained differences in predation pressure often diverge in morphological, behavioural or physiological features. {H}owever, predation pressures can also change throughout ontogeny, as individuals grow and/or migrate to new habitats. {W}e examine how anti-predator traits differ in relation to predator regime through a comparative study of juvenile and adult waterfall-climbing goby fishes. {O}n {H}awai'i, gobies can migrate out of the range of aquatic predators, whereas on {L}a {R}eunion aquatic predators and goby prey coincide. {W}e predict that species and life stages that are freed from predation pressure would have reduced escape behaviour and performance. {B}ecause greater thrust production improves escape performance, we also predict that fishes coinciding with predators would have taller bodies than fish freed from predation. {W}e simulated predator attacks and evaluated escape performance for juvenile and adult prey fishes from {H}awai'i and {L}a {R}eunion. {J}uvenile gobies of all species responded more frequently and had higher peak accelerations than adults. {A}dditionally, fish released from predation pressures had the slowest peak accelerations and wider caudal peduncles than fish exposed to greater predation pressure. {T}hese results suggest that fishes released from predation pressure may have morphologies and performance that are more aligned with holding station than with the production of thrust to evade predators.}, keywords = {biomechanics ; ecomorphology ; locomotion ; predator-prey interactions ; swimming}, booktitle = {}, journal = {{B}iological {J}ournal of the {L}innean {S}ociety}, volume = {127}, numero = {2}, pages = {324--336}, ISSN = {0024-4066}, year = {2019}, DOI = {10.1093/biolinnean/blz055}, URL = {https://www.documentation.ird.fr/hor/{PAR}00019874}, }