How does the taxonomic status of allopatric populations influence species richness within African cichlid fish assemblages?

2003 ◽  
Vol 31 (1) ◽  
pp. 93-102 ◽  
Author(s):  
Martin J. Genner ◽  
Ole Seehausen ◽  
Daniel F.R. Cleary ◽  
Mairi E. Knight ◽  
Ellinor Michel ◽  
...  
Keyword(s):  
Species Richness ◽  
Fish Assemblages ◽  
Cichlid Fish ◽  
Taxonomic Status ◽  
African Cichlid ◽  
Allopatric Populations

Cyprinid distributions in Northeast U.S.A. lakes: evidence of regional-scale minnow biodiversity losses

1997 ◽  
Vol 54 (7) ◽  
pp. 1593-1607 ◽  
Author(s):  
T R Whittier ◽  
D B Halliwell ◽  
S G Paulsen
Keyword(s):  
New York ◽  
Species Richness ◽  
New England ◽  
Fish Assemblages ◽  
Regional Scale ◽  
Median Number ◽  
Southern New England ◽  
Sample Data ◽  
Golden Shiner ◽  
Northern New England

Fish assemblages were sampled in 195 randomly selected lakes in the northeastern United States during the summers of 1991-1994. Most lakes in northern Maine had three to seven minnow species, constituting 40-80% of species in each lake. Lakes in New Jersey, southern New York, and southern New England rarely had minnows, other than golden shiner (Notemigonus crysoleucas). Lakes in the Adirondacks and the remainder of northern New England had intermediate numbers. We examined minnow native ranges and autecology and evaluated species richness related to littoral predators and human disturbance. Sample data suggested alteration in the minnow assemblages over much of the region. The most consistent factor related to minnow species richness was the presence of littoral predators. Median number of minnow species was two in lakes lacking predators and zero in lakes with predators. Non-native predators, especially Micropterus spp., have been introduced throughout the Northeast; 69% of the sampled lakes had non-native predators. In the absence of predators, minnow species declined with increased human activity in the watershed and along lake shorelines. Only in northern Maine did lake minnow assemblages seem relatively intact.

Characterization of the dopaminergic system in the brain of an African cichlid fish, Astatotilapia burtoni

2010 ◽  
Vol 519 (1) ◽  
pp. 75-92 ◽  
Author(s):  
Lauren A. O'Connell ◽  
Miles R. Fontenot ◽  
Hans A. Hofmann
Keyword(s):  
Dopaminergic System ◽  
Cichlid Fish ◽  
African Cichlid ◽  
Astatotilapia Burtoni ◽  
The Brain

Social dominance does not increase oxidative stress in a female dominance hierarchy of an African cichlid fish

Ethology ◽  
2021 ◽  
Author(s):  
Tyler R. Funnell ◽  
Robert J. Fialkowski ◽  
Peter D. Dijkstra
Keyword(s):  
Oxidative Stress ◽  
Social Dominance ◽  
Dominance Hierarchy ◽  
Cichlid Fish ◽  
Female Dominance ◽  
African Cichlid

scholarly journals Social Regulation of Male Reproductive Plasticity in an African Cichlid Fish

2013 ◽  
Vol 53 (6) ◽  
pp. 938-950 ◽  
Author(s):  
K. P. Maruska ◽  
R. D. Fernald
Keyword(s):  
Cichlid Fish ◽  
Social Regulation ◽  
African Cichlid ◽  
Reproductive Plasticity

scholarly journals The genomic substrate for adaptive radiation in African cichlid fish

Nature ◽  
2014 ◽  
Vol 513 (7518) ◽  
pp. 375-381 ◽  
Author(s):  
David Brawand ◽  
Catherine E. Wagner ◽  
Yang I. Li ◽  
Milan Malinsky ◽  
Irene Keller ◽  
...  
Keyword(s):  
Adaptive Radiation ◽  
Cichlid Fish ◽  
African Cichlid

Phenotypic plasticity is maintained despite geographical isolation in an African cichlid fish,Pseudocrenilabrus multicolor

2014 ◽  
Vol 9 (1) ◽  
pp. 85-96 ◽  
Author(s):  
Kirsten E. WIENS ◽  
Erika CRISPO ◽  
Lauren J. CHAPMAN
Keyword(s):  
Phenotypic Plasticity ◽  
Cichlid Fish ◽  
Geographical Isolation ◽  
African Cichlid

Relation between species richness and stream slope in riffle fish assemblages is dependent on spatial scale

2016 ◽  
Vol 99 (8-9) ◽  
pp. 603-612 ◽  
Author(s):  
Mateus Camana ◽  
Renato Bolson Dala-Corte ◽  
Fernando Gertum Becker
Keyword(s):  
Species Richness ◽  
Spatial Scale ◽  
Fish Assemblages

Effects of Urbanization on Stream Ecosystems

2005 ◽  
Keyword(s):  
Species Richness ◽  
Fish Species ◽  
Endemic Species ◽  
Largemouth Bass ◽  
Fish Assemblage ◽  
Life Histories ◽  
Fish Assemblages ◽  
Habitat Alterations ◽  
Intensity Index ◽  
Specialist Species

<em>Abstract.</em>—We examined fish assemblage responses to urban intensity gradients in two contrasting metropolitan areas: Birmingham, Alabama (BIR) and Boston, Massachusetts (BOS). Urbanization was quantified by using an urban intensity index (UII) that included multiple stream buffers and basin land uses, human population density, and road density variables. We evaluated fish assemblage responses by using species richness metrics and detrended correspondence analyses (DCA). Fish species richness metrics included total fish species richness, and percentages of endemic species richness, alien species, and fluvial specialist species. Fish species richness decreased significantly with increasing urbanization in BIR (<em>r </em>= –0.82, <EM>P </EM>= 0.001) and BOS (<em>r </em>= –0.48, <EM>P </EM>= 0.008). Percentages of endemic species richness decreased significantly with increasing urbanization only in BIR (<em>r </em>= – 0.71, <EM>P </EM>= 0.001), whereas percentages of fluvial specialist species decreased significantly with increasing urbanization only in BOS (<em>r </em>= –0.56, <EM>P </EM>= 0.002). Our DCA results for BIR indicate that highly urbanized fish assemblages are composed primarily of largescale stoneroller <em>Campostoma oligolepis</em>, largemouth bass <em>Micropterus salmoides</em>, and creek chub <em>Semotilus atromaculatus</em>, whereas the highly urbanized fish assemblages in BOS are dominated by yellow perch <em>Perca flavescens</em>, bluegill <em>Lepomis macrochirus</em>, yellow bullhead <em>Ameiurus natalis</em>, largemouth bass, pumpkinseed <em>L. gibbosus</em>, brown bullhead <em>A. nebulosus</em>, and redfin pickerel <em>Esox americanus</em>. Differences in fish assemblage responses to urbanization between the two areas appear to be related to differences in nutrient enrichment, habitat alterations, and invasive species. Because species richness can increase or decrease with increasing urbanization, a general response model is not applicable. Instead, response models based on species’ life histories, behavior, and autecologies offer greater potential for understanding fish assemblage responses to urbanization.

scholarly journals Seascape context modifies how fish respond to restored oyster reef structures

2019 ◽  
Vol 76 (4) ◽  
pp. 1131-1139 ◽  
Author(s):  
Ben L Gilby ◽  
Andrew D Olds ◽  
Christopher J Henderson ◽  
Nicholas L Ortodossi ◽  
Rod M Connolly ◽  
...  
Keyword(s):  
Species Richness ◽  
Fish Species ◽  
Fish Assemblages ◽  
Oyster Reef ◽  
Pivotal Role ◽  
Oyster Reefs ◽  
Total Abundance ◽  
Fish Recruitment ◽  
Abundance And Diversity ◽  
Species Specific

Abstract The seascape context of coastal ecosystems plays a pivotal role in shaping patterns in fish recruitment, abundance, and diversity. It might also be a principal determinant in structuring the recruitment of fish assemblages to restored habitats, but the trajectories of these relationships require further testing. In this study, we surveyed fish assemblages from 14 restored oyster reefs and 14 control sites in the Noosa River, Queensland, Australia, that differed in the presence or absence of seagrass within 500 m, over four periods using baited cameras. Fish assemblages at oyster reefs differed from those at control sites, with higher species richness (1.4 times) and more individuals of taxa that are harvested by fishers (1.8 times). The presence or absence of seagrass nearby affected the abundance of a key harvestable fish species (yellowfin bream Acanthopagrus australis) on oyster reefs, but not the overall composition of fish assemblages, species richness, or the total abundance of harvestable fishes overall. These findings highlight the importance of considering species-specific patterns in seascape utilization when selecting restoration sites and setting restoration goals, and suggest that the effects of restoration on fish assemblages might be optimized by focusing efforts in prime positions in coastal seascapes.

scholarly journals Galanin neuron activation in feeding, parental care, and infanticide in a mouthbrooding African cichlid fish

2020 ◽  
Vol 126 ◽  
pp. 104870
Author(s):  
Julie M. Butler ◽  
Erandi M. Herath ◽  
Arohan Rimal ◽  
Sarah M. Whitlow ◽  
Karen P. Maruska
Keyword(s):  
Parental Care ◽  
Cichlid Fish ◽  
African Cichlid ◽  
Neuron Activation
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