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Title: Behavior Associated with Pair Formation in the Banded Shrimp Stenopus hispidus (Olivier) 
Author: Johnson, Victor R Jr.
Date: 1969-01
Publisher: University of Hawai'i Press
Citation: Johnson VR. 1969. Behavior associated with pair formation in the banded shrimp Stenopus hispidus (Olivier). Pac Sci 23(1): 40-50.
Abstract: Field observations of Stenopus hispidus, an incidental cleaning shrimp,
indicate that it is normally found on the reef in male-female pairs. Pairs were taken
to the laboratory, where they were separated and the individuals subsequently repaired
with equally sized "stranger" individuals of both the same and opposite
sexes. Stranger shrimps of the same sex were highly aggressive and usually fought
to the death. Among shrimp in aquaria there appeared to be no submissive or appeasement
behavior. Stranger shrimps of the opposite sex tended to show initial
fighting, followed by courtship and the formation of a breeding pair. Experiments
were done to determine the major factors involved in mate recognition and hence
pair formation. Pairs of shrimp allowed only chemical contact prior to being placed
together showed quantitatively more fighting and more courtship than pairs allowed
no sensory contact. Pairs of shrimp allowed only visual contact prior to being placed
together showed quantitatively less courtship and equal fighting than pairs allowed
no sensory contact. The supplement of controlled amounts of tactile contact to
vision and olfaction resulted in quantitatively less fighting than occurred in control
situations. Transfer to new surroundings seemed to increase the over-all level of
aggression. The establishment of pairs and the behavior to other species of shrimps
indicate that Stenopus is capable of species as well as individual recognition.
ISSN: 0030-8870

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