Range Extensions of the Whitespotted Boxfish, Ostracion meleagris Shaw, 1796, in the East and West Coasts of the Baja California Peninsula, Mexico

Reyes‐Bonilla, Héctor; González, Daniela Michel Amador-Díaz; Ayala‐Bocos, Arturo; Olán-González, Manuel; Hernández‐Velasco, Arturo; Sánchez-Alcántara, Israel; Trujillo‐Millán, Oscar

doi:10.1007/s41208-018-0116-8

Cited by 1 publication

(1 citation statement)

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“…The clarion angelfish (H. clarionensis) was the only species recorded in only one year (i.e., 2009). The presence of tropical species has been recorded in several studies of the Gulf of California (Gónzalez-Cuellar et al 2013;Martínez-Torres et al 2014;Fernández-Rivera Melo et al 2015;Gonzalez-Acosta et al 2016;Reyes-Bonilla et al 2019). These studies have indicated that the distribution ranges of fish species have expanded, possibly due to climate change given the increase in water temperature that has been mainly reported for the central region of the Gulf of California (García-Morales et al 2017;Robles-Tamayo et al 2018).…”

Section: Discussionmentioning

confidence: 91%

Marine diversity in the biosphere reserve of the most oceanic island in the Gulf of California: San Pedro Mártir

Amador-Castro¹,

Melo²,

Torre³

2021

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San Pedro Mártir island is of high biological, ecological, and fishery importance and was declared a biosphere reserve in 2002. This island is the most oceanic in the Gulf of California, and information on its rocky reefs is scarce. The present study aimed to generate the first list of conspicuous invertebrate and fish species based on in situ observations and to examine the community structure of the shallow rocky reefs of the reserve. In addition, we estimated the ecological indicators of richness, abundance, Shannon diversity, and Pielou evenness to evaluate the conservation status of the biosphere reserve. Data were collected annually from 2007 to 2017 through 2,192 underwater SCUBA transects. A total of 35 species of invertebrates and 73 species of fish were recorded. Most of the species are widely distributed along the eastern Pacific. Overall, 64% of the species found in this study are commercially important, and 11 species have been listed as protected. The abundance of commercially important invertebrate species (i.e., the sea cucumber Isostichopus fuscus and the spiny oyster Spondylus limbatus) is decreasing, while commercially important fish species have maintained their abundance with periods of increase. The ecological indicators and the abundance and size of the commercial species indicate that the reserve is in good condition while meeting its conservation objectives.

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