Book Chapter10.1007/978-94-009-6548-5_12
Morphological correlates of ecological specialization in darters
101
TL;DR: While competition from established taxa undoubtedly has prevented additional habitat invasions, some darters appear to have overcome barriers through feeding site diversification and sexually selective characteristics, correlated with type of reproductive behavior and habitat, often make the male more conspicuous and therefore are constrained by predation.
read more
Abstract: Darters feed on small benthic organisms, primarily insects, and evolutionarily have become increasingly small and benthic; most species are less than 80mm in standard length. Constraints on decreasing body size include living in midwater and territoriality. Lineages of darters have arisen as new habitats were invaded. Consequently, members of different lineages often vary in characteristics correlated with specific habitat variables. While competition from established taxa undoubtedly has prevented additional habitat invasions, some darters appear to have overcome these barriers through feeding site diversification. Living in various habitats has lead to a variety of reproductive strategies, termed egg-burying, -attaching, -clumping, and -clustering. Sexually selective characteristics, correlated with type of reproductive behavior and habitat, often make the male more conspicuous and therefore are constrained by predation.
read more
Chat with Paper
AI Agents for this Paper
Find similar papers on Google Scholar, PubMed and Arxiv
Write a critical review of this paper
Analyze citations of this paper to find unaddressed research gaps
Citations
A functional approach to ecomorphological patterns of feeding in cottid fishes
TL;DR: To examine ecomorphological relationships in the diets of cottid fishes from the northeastern Pacific by using functional classifications of predators and of prey, performance tests indicated that larger-mouthed cottids had significantly higher capture success on Heptacarpus shrimp than did smaller- mouthed species.
146
Egg-mimicry as a mating strategy in the fantail darter, Etheostoma flabellare: females prefer males with eggs
TL;DR: Examination of female preference in the fantail darter found that females preferred males with eggs over males without eggs, and males with egg-mimics over males Without eggs, so it appears that female preference for males already guarding eggs may have led to the evolution of specialized egg-Mimicking morphology in males.
111
Trophic ecology and ecomorphology of fish assemblages in coastal lakes of Benin, West Africa
TL;DR: The feeding ecology and morphological diversification of fish assemblages of two coastal lakes in southern Benin were examined to compare patterns of community organization, and the akadja habitat had high species richness compared to the other lake habitats.
80
Habitat partitioning in a community of darters in the Elk River, West Virginia
Stuart A. Welsh,Sue A. Perry +1 more
TL;DR: In this article, microhabitat use and habitat partitioning for 10 darter species (Percidae: Etheostomatini) were studied by direct observation (snorkeling) at five sites in the Elk River drainage, West Virginia, U.S.A.
74
A molecular phylogeny of the Percidae (Teleostei, Perciformes) based on mitochondrial DNA sequence.
TL;DR: Etheostomatinae and Romanichthyini were never resolved as sister groups supporting convergent evolution as the cause of small, benthic, stream-inhabiting percids in North American and Eurasian waters.
73
References
The spandrels of San Marco and the Panglossian paradigm: a critique of the adaptationist programme
TL;DR: In this paper, the authors criticise the adaptationist program for its inability to distinguish current utility from reasons for origin (male tyrannosaurs may have used their diminutive front legs to titillate female partners, but this will not explain why they got so small).
The spandrels of San Marco and the Panglossian paradigm: a critique of the adaptationist programme
Stephen Jay Gould,Richard C Lewontin,Eliot Sober,Cambridge Mit Press +3 more
- 01 Jan 1984
TL;DR: The adaptationist programme is faulted for its failure to distinguish current utility from reasons for origin, and Darwin’s own pluralistic approach to identifying the agents of evolutionary change is supported.
5.9K
Theory of Feeding Strategies
TL;DR: Throughout, emphasis will be placed on strategic aspects of feeding rather than on what Holling (75) has called "tactics," and possible answers to the first problem may be given to the second problem.
3.6K