Results 41 to 50 of about 236 (122)

Facing different predators: adaptiveness of behavioral and morphological traits under predation [PDF]

open access: yes, 2016
Predation is thought to be one of the main structuring forces in animal communities. However, selective predation is often measured on isolated traits in response to a single predatory species, but only rarely are selective forces on several traits ...
Borcherding, Jost   +2 more
core   +1 more source

Hypsophrys inflata Guinot & Richer de Forges 1981

open access: yes, 2007
Published as part of Cleva, Régis, Guinot, Danièle & Albenga, Laurent, 2007, Annotated catalogue of brachyuran type specimens (Crustacea, Decapoda, Brachyura) deposited in the Muséum national d'Histoire naturelle, Paris. Part I. Podotremata, pp.
Cleva, Régis   +2 more
openaire   +2 more sources

A morphological phylogenetic analysis of Middle American cichlids with special emphasis on the section 'Nandopsis' sensu Regan. [PDF]

open access: yes, 2007
MP 198http://deepblue.lib.umich.edu/bitstream/2027.42/102742/1/MP 198 ...
Chakrabarty, Prosanta
core  

Systematics and historical biogeography of Greater Antillean Cichlidae [PDF]

open access: yes, 2006
A molecular phylogenetic analysis recovers a pattern consistent with a drift vicariance scenario for the origin of Greater Antillean cichlids. This phylogeny, based on mitochondrial and nuclear genes, reveals that clades on different geographic regions ...
Chakrabarty, Prosanta
core   +2 more sources

Territoriality and landscape of aggression. [PDF]

open access: yes, 2013
Behavioral adjustments in response to the presence of landmarks can exert strong effects on population dynamics of territorial species as well as the evolution of behavior and social systems.
Suriyampola, Piyumika Sureshni
core   +1 more source

Microstructure of Attachment Mechanisms of Newly Hatched Larvae of Four Cyprinid Species with Comments on Terminology [PDF]

open access: yes, 2017
An adhesive organ is a prominent, protruding mucus secreting gland that is used by newly hatched tadpoles and larvae of some fishes to attach to aquatic vegetation.
Maurakis, Eugene G., Maurakis, George E
core   +1 more source

Derivation of the freshwater fish fauna of Central America revisited: Myers\u27s hypothesis in the twenty-first century [PDF]

open access: yes, 2014
© The Willi Hennig Society 2014. Although attempts to understand Central American freshwater fish provincialism date to the 1960s, early efforts lacked the wealth of distributional data now available.
Albert, James S.   +4 more
core   +2 more sources

Faune marine profonde des Antilles françaises : récoltes du navire Polka faites en 1993 [PDF]

open access: yes, 1993
Une collection de 107 organismes a été faite autour de la Guadeloupe, lors de pêches au casier entre 100 et 1000 mètres de profondeur environ. Cette collection a été étudiée par plusieurs taxonomistes confirmés.
Poupin, J.
core  

Hypsophrys

open access: yes, 2007
Key to species of genus Hypsophrys 8a(2a) Teeth pointed; profile strongly convex (Fig. 28)........................................ Hypsophrys nicaraguensis 8b Teeth incisor-like; profile with a pronounced slope (Fig. 29).........................
openaire   +2 more sources

Hypsophrys nicaraguensis

open access: yes, 2007
Hypsophrys nicaraguensis (Günther, 1859) Figures 27-28 Hypsophrys unimaculatus Agassiz, 1859: 408 (nomen nudum, but see Remarks). Heros nicaraguensis Günther, 1864: 153 (original description). Heros balteatus Gill in Gill & Bransford, 1877: 184 (junior synonym). Cichlasoma nicaraguense, Pellegrin 1904: 167 (new combination).
openaire   +1 more source

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