Predation on the lizard Coleodactylus meridionalis (Boulenger, 1888) and on the rain frog Pristimantis sp. by Ctenidae spiders in humid highland ...
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Herpetology Notes, volume 14: 625-627 (2021) (published online on 07 April 2021)
Predation on the lizard Coleodactylus meridionalis
(Boulenger, 1888) and on the rain frog Pristimantis sp. by
Ctenidae spiders in humid highland forests of the Caatinga
of northeastern Brazil
Antônio E. Moura-Filho1, Kalyl S. Serra2, Daniel Cassiano-Lima2,3, Célio Moura-Neto4, Jober F. Sobczak1,*,
German A. Villanueva-Bonilla5, and Diva M. Borges-Nojosa6
Predation involves the use of an organism as a food Collection of the Butantan Institute (IBSP 213025)
resource, either totally or fragmented (Townsend et and the vertebrates in the Collection of Herpetology
al., 2007), being an important ecological factor for the of the UFC (CHUFC). The first record of predation of
regulation of the various populations (Odum and Barrett, the lizard C. meridionalis occurred on 26 July 2015,
2007). Reports of predatory vertebrates by invertebrates at 07:49 h, in a rainforest dense vegetation area in
are not uncommon (e.g., Bauer, 1990; Menin et al., Private Reserve of Natural Heritage (RPPN) Monte
2005; Manzanilla et al., 2008), and references about Alegre (3.945319oS, 38.609495oW, 500 m elevation),
spiders using reptiles and amphibians prey constitute located in Aratanha Mountain, Pacatuba municipality,
a large part of these records (Maffei, 2010; Moura and State of Ceará, Brazil. The lizard was foraging and it
Azevedo, 2011). The present article brings two new was captured by a spider Ancylometes rufus (Fig. 1).
contributions of predation records by spiders: (1) the The second predation record of this lizard occurred
lizard Coleodactylus meridionalis (Boulenger, 1888) on 21 April 2018, at 08:53 h, in Hotel Remanso
(Lacertilia, Sphaerodactylidae) being preyed upon (4.244123oS, 38.929771oW, 840 m elevation), in the
by Ancylometes rufus (Walckenaer, 183) and Ctenus Baturité Mountain, Pacoti municipality, Ceará (Fig. 2).
rectipes (Pickard-Cambridge, 1897) both spiders of The lizard fled from us and was captured by Ctenus
the family Ctenidae; and (2) the anuran Pristimantis rectipes (Fig. 3). The predation of Pristimantis occurred
sp. (gr. ramagii) by C. rectipes, which is the first on 26 July 2015, at 20:30 h., also in RPPN Monte
report of the predation of anurans by this species of Alegre (400 m elevation), in a shrub vegetation. When
spider. The invertebrates were deposited in the Spider we arrived the amphibian had already been captured by
a spider Ctenus rectipes and was partially digested (Fig.
1
Instituto de Ciências Exatas e da Natureza - ICEN,
Universidade da Integração Internacional da Lusofonia Afro-
Brasileira, Rod. CE 060, Acarape, Ceará, Brazil.
2
Centro de Ciências da Saúde, Campus do Itaperi, Fortaleza,
Ceará, Brazil.
3
Museu de História Natural do Ceará Professor Dias da Rocha,
Universidade Estadual do Ceará, Pacoti, Ceará, Brazil.
4
Faculdade de Educação, Ciências e Letras de Iguatu,
Universidade Estadual do Ceará, Iguatu, Ceará 63502-253,
Brazil.
5
Instituto de Biologia, Universidade Estadual de Campinas, R.
Monteiro Lobato 255, Cidade Universitária, Campinas, Sao
Paulo 13083-970, Brazil.
6
Universidade Federal do Ceará, Núcleo Regional de Ofiologia
da Ufc, Campus do Pici, Fortaleza, Ceará, Brazil.
Figure 1. Coleodactylus meridionalis being predated by
*
Corresponding author. E-mail: jobczak@unilab.edu.br
Ancylometes rufus in RPPN Monte Alegre. Photo taken by
© 2021 by Herpetology Notes. Open Access by CC BY-NC-ND 4.0. Jober F. Sobczak.
626 Antônio E. Moura-Filho et al.
recent cases of endemism reported (Borges-Nojosa
and Caramaschi, 2003; Castro et al., 2019). They are
typically covered with relict forest vegetation from
adjacent humid forests (Andrade-Lima, 1982; Santos
et al., 2007). In the state of Ceará the ‘brejos’ are
considered ‘areas of highest priority’ because they
represent the ancient link between the Amazon and the
Atlantic forests, two of the most biodiverse regions of
the world.
Acknowledgements. KSS is grateful to FUNCAP for scientific
initiation grants. We are grateful to L. C. Cunha for allow the
work at RPPN Monte Alegre, and for the support given during the
Figure 2. Ctenus sp. preying on Coleodactylus meridionalis in field work. D. M. Borges-Nojosa thanks the CNPq for granting
Hotel Remanso, Pacoti. Photo taken by Jober F. Sobczak. her a research fellowship (Process No. PQ 311961/2016-9)
Also, we were financially supported by Instituto Nacional de
Ciência e Tecnologia dos Hymenoptera Parasitoides (HYMPAR-
CNPq/FAPESP/CAPES), FUNCAP– BPI proc. BP3-00139-
2). Spider species of the genus Ctenus are nocturnal
00186.01.00/18 (to JFS.).
predators and litter foragers (Jocqué and Dippenaar-
Schoeman, 2006), and predation of lizards such as C.
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