First Record of<i>Agonostomus monticola</i>(Family: Mugilidae) in Mississippi Freshwaters with Notes of its Distribution in the Southern United States

Matamores, Wilfredo A.; Schaefer, Jacob; Mickle, Paul F.; Arthurs, William R.; Ikoma, R. Joan; Ragsdale, Renee L.

doi:10.1656/058.008.0116

Cited by 9 publications

(23 citation statements)

References 8 publications

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“…One explanation for this pattern is the lack of suitable habitat on the Yucatán Peninsula. As noted earlier, A. monticola typically occurs in high‐flow rivers (Miller et al ., ; Matamoros et al ., ), which are scarce on the Yucatán Peninsula. The lack of suitable freshwater habitat has previously been hypothesized as a historical factor responsible for the impoverished fish fauna of the Yucatán as a whole (Miller et al ., ).…”

Section: Discussionmentioning

confidence: 99%

“…The species also occurs throughout the West Indies (Greenfield & Thomerson, 1997). Most mainland records are from Mexico and further south, although some records from the United States exist (summarized in Matamoros et al, 2009). The remaining two species, Agonostomus telfairii Bennett, 1832 and Agonostomus catalai Pellegrin, 1932, occur sympatrically along the coast of Madagascar and Mauritius, with reports of each from surrounding areas (Thomson, 1997).…”

Section: Introductionmentioning

confidence: 99%

“…Agonostomus monticola is typically found in tropical rivers with high flow (Matamoros et al, 2009), and the common name mountain mullet comes from the propensity of this species to travel far upstream to elevations as high as 1500 m (Miller et al, 2005), although Loftus et al (1984) reported collections from lentic bodies of water. In general, there is much to learn regarding the life history and ecology of this species.…”

Section: Introductionmentioning

confidence: 99%

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From the mountains to the sea: phylogeography and cryptic diversity within the mountain mullet, Agonostomus monticola (Teleostei: Mugilidae)

McMahan

Davis

Domínguez‐Domínguez

et al. 2012

Journal of Biogeography

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Aim The mountain mullet, Agonostomus monticola, is a diadromous fish widespread throughout Middle America, occurring in rivers along the Atlantic and Pacific slopes, as well as in the West Indies. Based on the disjunct distribution of this species, it has been hypothesized that this fish may represent more than one taxon. The purpose of this study was to conduct a robust phylogeographical analysis of A. monticola across its range, using mitochondrial and nuclear markers. We aimed to investigate the potential for cryptic diversity and the time‐scale of divergence in an effort to elucidate biogeographical episodes within Middle America in relation to the evolutionary history of Agonostomus monticola. Location North and Middle America, including the West Indies. Methods Mitochondrial and nuclear sequence data (cyt b, S7‐1) from individuals throughout the range of the species were analysed phylogenetically using maximum‐likelihood methodology. The oldest known fossil mullet was used as a calibration to investigate divergence times for clades within A. monticola. Results Results indicate four distinct lineages within the known range of A. monticola that largely correspond to oceanic basins (Caribbean, Gulf of Mexico, Pacific‐A, Pacific‐B). Divergence time estimates indicate early to mid‐Miocene divergences for all four A. monticola clades, with Oligocene to Miocene divergences of internal nodes. Main conclusions These findings are congruent with geological hypotheses regarding movement of the Chortís block, as well as recent studies on the age of beginning emergence of the Panama Arc.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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From the mountains to the sea: phylogeography and cryptic diversity within the mountain mullet, Agonostomus monticola (Teleostei: Mugilidae)

McMahan

Davis

Domínguez‐Domínguez

et al. 2012

Journal of Biogeography

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“…Xiphocaris elongata are omnivorous shredders that use their pincers to cut up leaf matter, algae, flowers, fruits, particulate organic matter and dead organisms (Covich & McDowell, ; March & Pringle, ; Cross et al ., ; Covich et al ., ). Agonostomus monticola (mountain mullet) is a diadromous and visual predatory fish (Fièvet et al ., ; Hein et al ., ) that feeds on shrimps and insects but can also feed on flowers, fruits and algae (Phillip, ; Aiken, ; Holmquist, Schmidt‐Gengenbach & Yoshioka, ; March et al ., ; Covich et al ., ; Matamoros et al ., ). Agonostomus monticola are more active during the day than at night (M. E. Ocasio‐Torres, pers.…”

Section: Methodsmentioning

confidence: 99%

Effects of the presence of a predatory fish and the phenotype of its prey (a shredding shrimp) on leaf litter decomposition

2015

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1. The role of inducible defences in trophic cascades is poorly understood. The shrimp shredder Xiphocaris elongata has a short rostrum in the absence of predatory fishes and a long rostrum in their presence. The long rostrum in X. elongata is a morphological defence that is inducible by the predatory fish Agonostomus monticola (mountain mullet). 2. Our objective was to measure the effect of fish presence and absence and shrimp phenotype (long rostrum versus short rostrum) on the foraging behaviour of X. elongata and on the decomposition of leaves of the riparian tree Cecropia schreberiana, including their potential for direct or trait-mediated top-down trophic cascades effects. 3. Experiments were carried out in wading pools in which leaf discs of C. schreberiana were exposed for 24 days to processing by either microbes or short-rostrum or long-rostrum X. elongata in either the presence or absence of the predatory fish A. monticola. Shrimp foraging activities, shrimp survival and leaf decomposition were quantified. 4. Shrimp density was not affected by fish presence. However, fish presence decreased foraging activity of long-rostrum X. elongata presumably by increasing their use of refugia throughout the experiments. The foraging of short-rostrum shrimps did not respond to fish presence. 5. The fraction of leaf mass remaining was significantly higher when shrimps were in the presence of fish than when fish were absent, particularly when short-rostrum shrimps were shredding leaves. Shrimps decreased the fraction of mass remaining of C. schreberiana more than the effect of microbial colonisation alone. 6. These results demonstrate that the presence of the predatory fish A. monticola can create trait-mediated top-down trophic cascades in the presence of short-rostrum X. elongata. This study provides evidence that predators have different effects on prey with morphological inducible defences than prey without defences and that these interactions may have critical consequences for other trophic levels.

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“…The Mountain Mullet, Dajaus monticola (Bancroft, 1834), is a freshwater mugilid typically found in high gradient, high flow streams reaching elevations of up to 1500 m, hence the common name (Cruz 1987, Miller et al 2005, Matamoros et al 2009). The Mountain Mullet is an amphidromous species (Smith and Kwak 2014), meaning spawning occurs in freshwater, typically coinciding with the rainy season, and fertilized eggs are washed out to sea where they hatch and develop in the marine environment before returning to freshwater rivers and streams as juveniles of 20-50 mm standard length (SL) (Anderson 1957).…”

Section: Introductionmentioning

confidence: 99%

New records of the Mountain Mullet, Dajaus monticola (Bancroft, 1834), and an overview of historical records in Texas

2019

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Dajaus monticola (Bancroft, 1834) is an amphidromous species of mugilid known from South and Central America and the islands of the Caribbean but is rarely collected in Gulf coast states of the United States. Two new records of D. monticola collected from the Gulf of Mexico (Brazoria Co.) and the Brazos River (Washington Co.) are reported from Texas. The rare occurrence of D. monticola in Texas is discussed and diagnostic characters used to distinguish this species from other mugilids found in Texas are reevaluated.

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First Record ofAgonostomus monticola(Family: Mugilidae) in Mississippi Freshwaters with Notes of its Distribution in the Southern United States

Cited by 9 publications

References 8 publications

From the mountains to the sea: phylogeography and cryptic diversity within the mountain mullet, Agonostomus monticola (Teleostei: Mugilidae)

From the mountains to the sea: phylogeography and cryptic diversity within the mountain mullet, Agonostomus monticola (Teleostei: Mugilidae)

Effects of the presence of a predatory fish and the phenotype of its prey (a shredding shrimp) on leaf litter decomposition

New records of the Mountain Mullet, Dajaus monticola (Bancroft, 1834), and an overview of historical records in Texas

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