Visual input patterns correlated to behavior and habitat of the mantis shrimp Gonodactylus

Schiff, H.

doi:10.1016/0300-9629(89)90788-3

Cited by 8 publications

(6 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The very small acceptance angle, though, is typical of stomatopods from bright habitats (Gonodactylus) (Schiff et al, 1986b;Schiff & Di Stefano, 1992). The general forward skewing towards a frontal region is similar to that in Gonodactylus (Schiff, 1989), but in Lysiosquillina it seems to subserve a different purpose: during the day it allows the animal to view the environment with a limited number of ommatidia with small acceptance angles.…”

Section: Discussionmentioning

confidence: 99%

“…These keep the eyes such that a large part of the ommatidia are located dorsally and look upward; the middle band runs dorsally along the body axis. In a frontal region of the eye, though, the ommatidia look forward and the middle band runs vertically perpendicular to the ground (Gonodactylus, Pseudosquilld) (Schiff, 1989;Schiff & Di Stefano, 1992).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A mantis shrimp wearing sun‐glasses

Schiff

Dore

Donna

2002

Italian Journal of Zoology

View full text Add to dashboard Cite

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A mantis shrimp wearing sun‐glasses

Schiff

Dore

Donna

2002

Italian Journal of Zoology

View full text Add to dashboard Cite

“…Position of eyes during visual attention is different among species: in Squilla and Hemisquilla, the longer axis of the eye is kept almost vertically, but in Gonodactylus and in Pseudosquilla it is dorsal, horizontal. Regions of high visual acuity coincide with maximum overlap of visual fields (Di Iacino et al, 1990); these are found in front of the two halves and the mb in Squilla, but at the frontal, distal tip in Gonodactylus (Schiff, 1989b). During dark adaptation, the accessory pigment cells, attached to the cornea and to the retinula cells, pull the latter toward the cornea.…”

Section: Shallow Subtidal Environmentmentioning

confidence: 97%

“…4c), fringed by plumose hairs (Schiff, 1989b), presumably serving as vibration receptors signaling water motion induced by either a potential prey or an enemy. Other structures found on the proximal part of the scale could be chemoreceptors according to their morphology.…”

Section: Shallow Subtidal Environmentmentioning

confidence: 99%

An introductory survey of ecology and sensory receptors of tropical eastern pacific crustaceans

Schiff

Hendrickx

1997

Italian Journal of Zoology

View full text Add to dashboard Cite

A comparative survey of sensory organs (mainly visual) of 35 species of crustaceans (Mysidacea, Stomatopoda and Decapoda) was initiated in the SE Gulf of California, Mexico, an enclosed sea which has been well studied for its physical conditions and the taxonomy of crustacean species. The purpose of this survey was to study how the perceptive capacities are conditioned by the signals arriving from their environment. Studied species were sampled from terrestrial, intertidal, subtidal and deep sea habitats. Our data indicate that down to 200 m there seems to be not much difference of skewing patterns in stomatopods. Eyes are adapted to local conditions. In crabs and stomatopods, ommatidia are aligned in a vertical array along the longer axis of the eye. Visual fields of ommatidia overlap. This could emphasize, for instance, the horizontal motion of vertical edges. Deep-sea crustaceans still have eyes, but in the same habitat species with apparently functional eyes occur together with species with strongly reduced eyes. When eyes are reduced, nervous structures are still observable but not ommatidia. Almost all species studied have extra-organs in the eye. These are mechano-(crabs) or chemo-(deep-sea crustaceans) receptors or else organs which seem to have a specific (e.g. adaptation) visual task (shrimps). All extra-organs have small ganglia and nerves contacting the visual ganglia on their way towards the brain.

show abstract

“…The interommatidial and acceptance angles are such that in most stomatopod eyes visual fields of columns are separated from each other, represented diagrammatically as planes in Fig over the two parts of the lamina (Schiff et al 1986a;Schiff 1987Schiff , 1989 and branches, running horizontally, from one or few T3 fibers (Figs. lc,4).…”

Section: Introductionmentioning

confidence: 99%

A neural model for localizing targets in space accomplished by the eye of a mantis shrimp

1990

Self Cite

View full text Add to dashboard Cite

Abstract. Stomatopods locate prey, within a short range of distances, with one eye and strike it within a few milliseconds. We developed a model based on the complex input patterns of the eye transferred to a matrix of neural integrators called T2 and T3 fibers. In the integrators graded potentials are summed and generate spikes if the sum reaches threshold. Histograms of instantaneous frequencies were simulated on a PC for the T2 and for the T3 fibers for motion of a luminous point parallel to the T2 fibers and for approach of the point towards the eye. Position, size, speed of motion and distance of the target could be extracted from the frequency-pattern-coded output of the integrators in our model. A critical region in front of the center of the eye could be defined. This region is elliptical in shape and adapted to the size of the animal (respectively to the size of its raptorial appendages). We assume that prey is hit when it is in the critical zone. Histological and electrophysiological results seem to confirm our model.

show abstract

Visual input patterns correlated to behavior and habitat of the mantis shrimp Gonodactylus

Cited by 8 publications

References 14 publications

A mantis shrimp wearing sun‐glasses

A mantis shrimp wearing sun‐glasses

An introductory survey of ecology and sensory receptors of tropical eastern pacific crustaceans

A neural model for localizing targets in space accomplished by the eye of a mantis shrimp

Contact Info

Product

Resources

About