Top 2 Biorxiv Papers Today in Zoology


1.996 Mikeys
#1. Variation in cephalic neuromasts surface and cave-dwelling fishes of the family Amblyopsidae (Teleostei: Percopsiformes)
Daphne Soares, Matthew Niemiller
Cave adaptation has led to unique sensory specializations to compensate for the lack of visual cues in aphotic subterranean habitats. As the role of vision is reduced or disappears, other sensory modalities become hypertrophied allowing cave-adapted organisms to successfully detect and interact with their surrounding environment. The array of aquatic subterranean habitats, from fast-flowing streams and waterfalls, to quiet phreatic pools, presents a diverse palette to examine what possible sensory solutions have evolved against a backdrop of complete darkness. Mechanosensation is enhanced in many subterranean animals to such an extent that a longer appendage is recognized as a prominent troglomorphic adaptation in many metazoans. Fishes, however, not only interact with the environment using their fins, but also with specialized sensory organs to detect hydrodynamic events. We hypothesize that subterranean adaptation drives the hypertrophy of the mechanosensory lateral line, but that other environmental forces dictate the specific...
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Authors: 2
Total Words: 7078
Unqiue Words: 2346

1.992 Mikeys
#2. Similarity of species composition of sand flies (Diptera: Psychodidae) in caves of Quadrilátero Ferrífero, state Minas Gerais, Brasil
Aldenise Martins Campos, Rodrigo Anjos Maia, Debora Capucci, Adriano Pereira Paglia, José Dilermando Andrade Filho
Caves, though seemingly inhospitable due to the lack of light in areas furthest from the cave entrance and the low availability and variety of resources, can harbor many species of vertebrates and invertebrates, including phlebotomine sand flies, the vectors of species of parasites of the genus Leishmania that cause leishmaniasis. This study aimed to evaluate the species composition of sand flies in located caves at Moeda Sul (MS) and Parque Estadual Serra do Rola Moça (PESRM), in southeastern Brazil at region of the Quadrilátero Ferrífero, state of Minas Gerais. The collections of sand flies were performed with automatic light traps. Were used the Non-Metric Multidimensional Scaling based on dissimilarity matrix calculated with the Jaccard índex and Multivariate Analysis of Permutation to evaluate similarity of the species composition of sand flies among entrance, interior, and surroundings environments of each sampled cave at MS and PESRM, and thus to infer biological mechanisms from the patterns of distribution of sand flies...
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Authors: 5
Total Words: 0
Unqiue Words: 0

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