Does schooling reduce fast-start response latencies in teleosts?

Abstract

Response latencies. defined as the time between a d.c. electric shock and initiation of a fast-start (startle response) were measured for eight species of teleosts. 2. Fast-start response latencies varied from 10 to 36 cm. Highest values were found for individuals of two solitary species, Etheostoma caeruleum and Cottus cagnatus. Lowest values were found for Esox and Salmo gairdjleri. 3. Schooling in Perca paoescens, Lepomis macrochirus and Pimephales promelas significantly reduced fast-start response latencles by 7-16 msec. A 4 msec. reduction for Notropis cornutus was not significant. 4. No reduction in fast-start response latency was found for Pimephales promelas given the illusion of a school or for individuals greater than 15 cm from a school. 5. The observed variation in fast-start response latency would favour attack success of predators and escape success for schooled, but not solitary, presumptive prey.

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (36,61), we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (36,61), we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”

Propagating waves in starling, Sturnus vulgaris, flocks under predation

“…Our observations suggest that WEs represent an antipredator behaviour. In agreement with similar studies in other species of insects and fish (Webb 1980;Treherne & Foster 1981;Gerlotto et al 2006, Kastberger et al 2008, we found that WEs occurred almost exclusively under predator threat: observed exceptions, elicited by helicopters or gulls, are still to be considered as antipredator reactions. We studied 329 hunting sequences (HSs), 210 of which triggered WEs.…”

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (Webb, 1980;Domenici and Batty, 1997) , we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (36,61), we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”

Propagating waves in starling, Sturnus vulgaris, flocks under predation

“…Our observations suggest that WEs represent an antipredator behaviour. In agreement with similar studies in other species of insects and fish (Webb 1980;Treherne & Foster 1981;Gerlotto et al 2006, Kastberger et al 2008, we found that WEs occurred almost exclusively under predator threat: observed exceptions, elicited by helicopters or gulls, are still to be considered as antipredator reactions. We studied 329 hunting sequences (HSs), 210 of which triggered WEs.…”

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (Webb, 1980;Domenici and Batty, 1997) , we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (36,61), we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”

Propagating waves in starling, Sturnus vulgaris, flocks under predation

“…Our observations suggest that WEs represent an antipredator behaviour. In agreement with similar studies in other species of insects and fish (Webb 1980;Treherne & Foster 1981;Gerlotto et al 2006, Kastberger et al 2008, we found that WEs occurred almost exclusively under predator threat: observed exceptions, elicited by helicopters or gulls, are still to be considered as antipredator reactions. We studied 329 hunting sequences (HSs), 210 of which triggered WEs.…”

Kinematic performance declines as group size increases during escape responses in a schooling coral reef fish

“…In contrast to past studies that compared solitary and schooling fishes (Webb, 1980;Domenici and Batty, 1997) , we found no change in reaction timing (i.e., latency) as group size increased. Social context could modulate latency for a range of reasons.…”