Reproduction efficiency of the Horse Leech, <i>Haemopis sanguisuga</i> (Linnaeus, 1758)

Ceylan, Mustafa; Küçükkara, Ramazan; Akçimen, Ufuk; Yener, Osman

doi:10.1080/07924259.2017.1318096

Cited by 13 publications

(4 citation statements)

References 24 publications

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“…Three live P. costata were found on the deceased turtle, while the cause of death of the turtles is unclear. Previous studies have reported scavenging feeding characteristics of predatory leech species (Davies et al 1997;Pfeiffer et al 2005;Ceylan et al 2017). However, this finding needs to be analyzed in more details.…”

Section: Discussionmentioning

confidence: 94%

“…Identification of the leeches was carried out under a stereo microscope, following the procedures described by Sawyer (1986) and Nesemann and Neubert (1999). The body length (L, cm) and weight (W, g) of each leech were determined, and the condition factor was calculated using the formula K=W/L 3 x 100, as described by Ceylan et al (2017). Following the completion of all procedures, the turtles were returned to the habitats from which they were collected.…”

Section: Turtle and Leech Samplingmentioning

confidence: 99%

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First report of leech parasitism in freshwater turtles for Turkish wetlands

CEYLAN,

ÇETİNKAYA

2023

Journal of Limnology and Freshwater Fisheries Research

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Research on the diversities of parasites and hosts, as well as their relationship, can provide significant contributions to understanding, utilizing, conserving, and properly managing aquatic ecosystems. The freshwater mud turtle Emys orbicularis and Balkan turtle Mauremys rivulata, as well as the leech Placobdella costata, are distributed; however the relations between these organisms are not well-known in Turkish wetlands. In this study, the parasitism of Glossiphonid leech P. costata on freshwater turtles, E. orbicularis, and M. rivulata was assessed for the first time through field observations and laboratory examinations in Turkish wetlands. The infection prevalence in turtles was found to be 76%, with an intensity of 5.00 and an abundance of 3.82, all of which were higher in females. Although the infection prevalence was similar for both E. orbicularis and M. rivulata, infection intensity and abundance were higher in M. rivulata. Leeches were mostly sampled from the plastron and least from the head. The condition of the parasitic leech was found to be high, and P. costata preferred to feed on and parasitize predominantly female individuals of both turtle species.

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Section: Discussionmentioning

confidence: 94%

Section: Turtle and Leech Samplingmentioning

confidence: 99%

First report of leech parasitism in freshwater turtles for Turkish wetlands

CEYLAN,

ÇETİNKAYA

2023

Journal of Limnology and Freshwater Fisheries Research

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“…and Haemopis cf. sanguisuga individuals are forced to leave the water to lay their cocoons (Ceylan et al, 2017; Petrauskiene et al, 2011; Saidel et al, 2018), whereas individuals of Erpobdella cf. octoculata lay their cocoons under water (Murphy & Learner, 1982; Sawyer, 1970).…”

Section: Discussionmentioning

confidence: 99%

Studying cuticle shedding in three species of leeches (Hirudinea, Annelida)

Vortsepneva

Lavrov

2021

Invertebrate Biology

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The renewal and shedding of hard ectodermal structures are widespread in invertebrates. The most impressive example of these processes in Trochozoa is the cuticle shedding observed in Hirudo medicinalis, originally studied over a century ago. Here we investigate cuticle shedding across three leech species: Hirudo sp., Haemopis cf. sanguisuga, and Erpobdella cf. octoculata. According to the ultrastructural data, all three species have a typical leech cuticle, consisting of basi‐ and epicuticles. Using in vivo observations and morphological investigations, we confirm cuticle shedding in Hirudo sp., and for the first time, report this process in Haemopis cf. sanguisuga. The successive stages of shedding of the old cuticle and formation of the new cuticle are ultrastructurally described for both species. Interestingly, individuals of Erpobdella cf. octoculata did not shed their cuticle during the entire observation period, neither as adults nor as juveniles. The semi‐terrestrial lifestyle and the consumption of large food volumes may possibly be a prerequisite driving the development of regular cuticle shedding in Hirudo sp. and Haemopis cf. sanguisuga.

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“…Among the diverse cocoon types secreted by oligochaetes (i.e., gelatinous, membranous, and hard‐shelled, Siddall & Burreson ), terrestrially‐deposited cocoons of Hirudo (Sawyer, ; Kutschera & Roth, ; Elliott & Kutschera, ) and related genera, (e.g., Haemopis , Limnatis , Hirudinaria and Macrobdella ) are initially covered by a bubble‐like foam (Ceylan, Küçükkara, Akçimen, & Yener, ; Negm‐Eldin, Abdraba, & Benamer, ), known as “final foam” (Apakupakul, Siddall, & Burreson, ) that changes within a few hours to a few days. The subsequent structure is an architectural curiosity comprising an elaborate three‐dimensional matrix of interlocking branches and junctions that extend 2 mm or more outwards from the cocoon wall.…”

Section: Introductionmentioning

confidence: 99%

Elaborate ultrastructure of the Hirudo (Annelida: Hirudinae) cocoon surface

Saidel

Sağlam

Cruz

et al. 2017

Journal of Morphology

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Species of medicinal leeches (Hirudo medicinalis, H. verbana, and H. sulukii) secrete hard-shelled cocoons. When initially deposited, a cocoon is surrounded by a foam. Over a short time, the foam is transformed into a three-dimensional structure. We show here that this peripheral structure likely forms by the solidification and dehydration of a moderately viscous, proteinaceous substance that surrounds bubbles of various sizes. The resulting matrix-like structure comprises a network of curved branches juxtaposed at ∼120° and taper in width as a function of distance from the outer cocoon wall. The material is proteinaceous, and traps environmental material in its composition, especially silicon. The geometry of compartments and abundance of silicon on branch surfaces suggest a mechanism for trapping water to prevent desiccation in a terrestrial environment.

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Reproduction efficiency of the Horse Leech, Haemopis sanguisuga (Linnaeus, 1758)

Cited by 13 publications

References 24 publications

First report of leech parasitism in freshwater turtles for Turkish wetlands

First report of leech parasitism in freshwater turtles for Turkish wetlands

Studying cuticle shedding in three species of leeches (Hirudinea, Annelida)

Elaborate ultrastructure of the Hirudo (Annelida: Hirudinae) cocoon surface

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