Coastal Habitats of the Gulf of Mexico

Mendelssohn, Irving A.; Byrnes, Mark R.; Kneib, R. T.; Vittor, Barry A.

doi:10.1007/978-1-4939-3447-8_6

Cited by 19 publications

(5 citation statements)

References 565 publications

(693 reference statements)

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“…The northern and southern clades shared no haplotypes and were ~3% diverged at COI despite being separated by <200 km. These clades roughly correspond with defined ecoregions along the Texas coast, which may indicate a role of hydrological or geochemical differences on speciation (Mendelssohn, Byrnes, Kneib, & Vittor, ). For example, the northern Texas coast has lower annual salinity than the south due to the high concentration of rivers flowing into the ocean (Zavala‐Hidalgo, Morey, & O'Brien, ).…”

Section: Discussionmentioning

confidence: 70%

“…For example, the northern Texas coast has lower annual salinity than the south due to the high concentration of rivers flowing into the ocean (Zavala‐Hidalgo, Morey, & O'Brien, ). In addition, as haustoriid amphipods are passive dispersers, the current regime along the Texas coast may not favour migration northward from South Padre or southward from Port Aransas due to a counterclockwise flowing gyre between these sites (Mendelssohn et al, ; Zavala‐Hidalgo et al, ). This gyre varies in intensity seasonally, but it may be prominent enough to act as a barrier to gene flow.…”

Section: Discussionmentioning

confidence: 99%

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Phylogeography of sand‐burrowing amphipods (Haustoriidae) supports an ancient suture zone in the Gulf of Mexico

Hancock

Hardin

Light

2019

Journal of Biogeography

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Aim To evaluate the impact of a proposed ancient suture zone in the Gulf of Mexico on the distribution and molecular diversity of dispersal‐limited, sand‐burrowing amphipods of the genera Haustorius and Lepidactylus (Haustoriidae: Amphipoda). Location Gulf of Mexico, USA and Mexico. Methods Phylogenetic and population genetic analyses were performed using mitochondrial (COI and 16S) and nuclear (18S and 28S) data from 93 amphipod individuals from 16 sites across the Gulf of Mexico. Bayesian and ML phylogenies were constructed for all genes, divergence times were estimated using a molecular clock for COI (0.007–0.013 subs./site per Myr), and four species delimitation methods were used to identify operational taxonomic units (OTUs) within each amphipod species. The mitochondrial COI gene was used to construct haplotype networks and estimate population genetic parameters to evaluate historical changes in effective population sizes. Results Deep divergences (most estimated to be >4 Ma) were uncovered between sister clades of both amphipod genera on either side of the Mississippi River as well as within Lepidactylus triarticulatus where each sample site was found to harbour a unique genetic lineage. Two cryptic OTUs of L. triarticulatus were identified living sympatrically at Pass Christian, Mississippi. Two distinct OTUs representing western and eastern Haustorius galvezi clades were identified along the Texas and Mexico coastlines with abutting ranges. Population genetic results show some support for recent population expansions for western Gulf OTUs, while eastern Gulf OTUs may have suffered population bottlenecks in the past. Main conclusions Divergences between sister species of sand‐burrowing amphipods exceeds the timing of previous vicariant hypotheses. The split appears to be consistent with Miocene sedimentation levels from the Mississippi River acting as an east–west barrier to gene flow in the Gulf of Mexico. Given their strong population structure and cryptic diversity, haustoriid amphipods are ideal model organisms for studying open coast biogeography.

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Section: Discussionmentioning

confidence: 70%

Section: Discussionmentioning

confidence: 99%

Phylogeography of sand‐burrowing amphipods (Haustoriidae) supports an ancient suture zone in the Gulf of Mexico

Hancock

Hardin

Light

2019

Journal of Biogeography

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“…However, it is worth mentioning that there are some characters that are outside the ranges established by Kritsky et al (2011) in their redescription of P. mirabilis, such as body length, average testes size, the number of spines in the male reproductive organ, the vaginal vestibule, and the number of testes, among other variables (Table 3) of the specimens in this study are larger than what was mentioned by Kritsky et al (2011). Therefore, it is necessary to carry out studies of specimens from other locations within the different biogeographical provinces that make up the Gulf of Mexico (Carolina Province and Caribbean Province) (Briggs & Bowen, 2012) and of the different ecoregions of which these provinces are pertain (Lara-Lara et al, 2008;Mendelssohn et al, 2017) that include the analysis of morphological and molecular characteristics. In this manner, existing variation in morphology can be attributed to intraspecific variation or if it reveals a complex of cryptic species.…”

Section: Remarksmentioning

confidence: 78%

New species of Protomicrocotyle (Monogenea: Protomicrocotylidae), and new information on P. mirabilis, parasites of Caranx spp. from Veracruz, México

Ramírez-Cruz,

Monks,

Manríquez-Morán

et al. 2023

Rev. Bras. Parasitol. Vet.

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During a study of the helminth parasites of carangid fish of the Gulf of Mexico, Protomicrocotyle mirabilis and a new member of that genus were found. The aim of the present study is to provide new morphological and sequences of 28s rDNA and CO1 mtDNA for P. mirabilis and describe the new species. Between 2005–2022, 73 specimens of Caranx spp. were purchased from local fishermen of the littoral waters of the Gulf of Mexico. Protomicrocotyle veracruzensis sp. nov. is most similar to P. mirabilis than to P. ivoriensis, the only members of the genus known from the Greater Atlantic Ocean Basin. Protomicrocotyle veracruzensis sp. nov. can be distinguished from those two species by the arrangement and number of testes. Measurement data on the haptoral armature for the new species is provided and the potential value and need for comparative data from these structures of other members of the genus is discussed. The results of the molecular analysis and the morphometric analysis of 91 characters confirmed that this new species belongs to Protomicrocotyle.

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“…In addition to bait harvest, many of the species of crab used in the octopus fishery could be affected by habitat loss, habitat fragmentation, and pollution. Habitats impacted by these activities include wetlands, mangroves, seagrasses, and other coastal habitats in the Gulf of Mexico due to human activities related to tourism, agriculture, industry, urbanization, and aquaculture development (Gonzalez-Abraham et al 2015, Mendelssohn et al 2017).…”

Section: Discussionmentioning

confidence: 99%

Genetic Identification of Bait to Support Sustainability of the Octopus Fishery from the State of Yucatan, Mexico

Munguia-Vega,

García,

Barajas-Girón

et al. 2023

Journal of Shellfish Research

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Coastal Habitats of the Gulf of Mexico

Cited by 19 publications

References 565 publications

Phylogeography of sand‐burrowing amphipods (Haustoriidae) supports an ancient suture zone in the Gulf of Mexico

Phylogeography of sand‐burrowing amphipods (Haustoriidae) supports an ancient suture zone in the Gulf of Mexico

New species of Protomicrocotyle (Monogenea: Protomicrocotylidae), and new information on P. mirabilis, parasites of Caranx spp. from Veracruz, México

Genetic Identification of Bait to Support Sustainability of the Octopus Fishery from the State of Yucatan, Mexico

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