The Young Stages of the Cannonball Jellyfish (Stomolophus sp. 2) from the Central Gulf of California (Mexico)

Gómez-Salinas, Laura Cristina; López‐Martínez, Juana; Morandini, André C.

doi:10.3390/d13060229

Cited by 4 publications

(4 citation statements)

References 31 publications

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“…2 life cycle, which follows the general pattern of scyphozoan metagenesis. The existence of external fertilization, ontogenetic development, and morphological characteristics of planula, scyphistoma, strobila, and ephyra are in agreement with Gómez‐Salinas et al (2021). Furthermore, breeding aspects were observed, such as the dispersion mechanism and longevity of the scyphistoma stage, which could not be observed in the wild.…”

Section: Discussionsupporting

confidence: 90%

“…The Stomolophus genus consists of two valid species occurring in the waters of the Atlantic and Pacific oceans in subtropical and tropical regions (Gómez‐Salinas et al, 2021; Jarms & Morandini, 2019). Five Stomolophus species ( S. agaricus , S. chunii , S. collaris , S. fritillaria , and S. meleagris ) have been described (Kramp, 1955, 1961; Mayer, 1910).…”

Section: Introductionmentioning

confidence: 99%

“…1 and sp. 2, because the holotypes mentioned in their research have not yet been described (Gómez‐Salinas et al, 2021). Although both Stomolophus sp.1 and Stomolophus sp.…”

Section: Introductionmentioning

confidence: 99%

“…2 hereinafter (Gómez‐Daglio & Dawson, 2017). Recently, Gómez‐Salinas et al (2021) described Stomolophus sp. 2 ephyrae, but its complete life cycle is unknown.…”

Section: Introductionmentioning

confidence: 99%

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Multiple reproduction forms in the polyps of the cannonball jellyfishStomolophussp. 2: Probable life‐cycle reversal

et al. 2022

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The jellyfish genera Stomolophus spp. is one of the most abundant in the Pacific Ocean, yet it has not been thoroughly studied. Until recently, research has been developed and directed to its knowledge because of the economic interest in its exploitation. The genus Stomolophus in the Pacific Ocean is composed of five species (S. agaricus, S. chunii, S. collaris, S. fritillaria, and S. meleagris), and Stomolophus sp. 2 has been recently reported in the central part of the Gulf of California. Therefore, this study aimed to describe in vivo the different developmental stages of Stomolophus sp. 2 life cycle. As a result, multiple polyp reproduction forms were described, such as polyp-stolon formation, polydisc strobilation with more than 20 ephyrae formed by each strobila, and polyp formation directly from juvenile ephyra. In the degenerating phase, the polyps turned into cysts induced by stress conditions, such as changes in temperature, oxygen, and food availability. The life cycle of Stomolophus sp. 2 can be distinguished from that of S. meleagris by showing various asexual reproduction mechanisms and polydisc-like strobilation. The formation of polyps directly from the ectoderm of degenerating juvenile medusae suggests the possibility of a reversion cycle. Because of the different life cycles between S. meleagris and S. sp. 2, in addition to their morphological and genetic differences, this study proposes that Stomolophus sp. 2 should be considered a new species and suggests the name Stomolophus yaquilli, in reference to the indigenous community that lives in the species distribution area.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

“…1 and sp. 2, because the holotypes mentioned in their research have not yet been described (Gómez‐Salinas et al, 2021). Although both Stomolophus sp.1 and Stomolophus sp.…”

Section: Introductionmentioning

confidence: 99%

“…2 hereinafter (Gómez‐Daglio & Dawson, 2017). Recently, Gómez‐Salinas et al (2021) described Stomolophus sp. 2 ephyrae, but its complete life cycle is unknown.…”

Section: Introductionmentioning

confidence: 99%

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Multiple reproduction forms in the polyps of the cannonball jellyfishStomolophussp. 2: Probable life‐cycle reversal

et al. 2022

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Medusozoans (Cnidaria) from the Mexican Pacific: a review based on historical literature and recent observations

Estrada-González¹,

Agüero²,

Mendoza‐Becerril

2023

Journal of Natural History

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Catostylus tagi (Class: Scyphozoa, Order: Discomedusae, Suborder: Rhizostomida, Family: Catostylidae) life cycle and first insight into its ecology

Gueroun

Torres

Santos

et al. 2021

PeerJ

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Jellyfish proliferations, which are conspicuous and natural events, cause blooms that may lead to severe consequences for anthropogenic activities and ecosystem structure and functioning. Although research during the last decade has focused on factors influencing the different jellyfish life stages, few species currently have their full life cycle known. In this context, we describe for the first time the developmental stages in the life cycle of Catostylus tagi, from planula to young medusa, reared in the laboratory. The species displays the typical Rhizostomida metagenetic life cycle. Mature scyphistomae display 16 tentacles and a total body length of 1.5 ± 0.2 mm. Only podocyst production and strobilation were observed. Strobilation, occurring continuously under laboratory conditions, was mainly polydisc. The eight-rayed typical ephyrae, with a total body diameter of 2.4 ± 0.4 mm at detachment, showed development typical of the Rhizostomida. As a first step in studying this species’ ecology, we also present preliminary assessments of: (i) the influence of different temperature and salinity regimes on planulae survival, settlement and metamorphosis and (ii) the effect of temperature and diet on asexual reproduction. The results showed a high tolerance of planulae to a wide range of salinities (15‰ to 25‰), while polyp development was significantly faster at higher temperature (20–25 °C). Strobilation onset was 2–3 times faster at 20 °C (10.6 ± 5.4 to 15 ± 6.6 day at various tested diet) than at 15 °C (32.2 ± 3 day). Feeding was a key factor as unfed polyps never underwent strobilation during the trial. Finally, we present the spatial and seasonal distribution of C. tagi in the Tagus estuary (Portugal) in 2019, showing its occurrence throughout the year (except in April), with most observations recorded on the northern shoreline. As C. tagi shows the ability to form blooms and a wide tolerance for temperature and salinity (for planulae and medusae stage), it is essential to understand its life cycle.

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The Young Stages of the Cannonball Jellyfish (Stomolophus sp. 2) from the Central Gulf of California (Mexico)

Cited by 4 publications

References 31 publications

Multiple reproduction forms in the polyps of the cannonball jellyfishStomolophussp. 2: Probable life‐cycle reversal

Multiple reproduction forms in the polyps of the cannonball jellyfishStomolophussp. 2: Probable life‐cycle reversal

Medusozoans (Cnidaria) from the Mexican Pacific: a review based on historical literature and recent observations

Catostylus tagi (Class: Scyphozoa, Order: Discomedusae, Suborder: Rhizostomida, Family: Catostylidae) life cycle and first insight into its ecology

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