Euplana gracilis

Euplana gracilis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Platyhelminthes
Order:	Polycladida
Family:	Euplanidae
Genus:	Euplana
Species:	E. gracilis
Binomial name
	Euplana gracilis; Girard, 1853
Synonyms
	Conjuguterus parvus Pearse, 1938 ; Elasmodes gracilis (Girard, 1850) ; Leptoplana gracilis (Girard, 1850) ; Prosthiostomum gracile Girard, 1853 ;

Euplana gracilis is a species of marine flatworm belonging to the family Euplanidae.^[1] It is found within the United States.

Description

E. gracilis is slender and elongate in shape, reaching up to 8 mm in length. The front end may be pointed or rounded, while the back end may be obtuse or rounded. The color of the species can range from yellowish gray to brownish gray. There are six eyes on each side, of which four are in a lengthwise row, and two obliquely placed together.^[2]

Distribution and ecology

The species has been known to be found in the Chesapeake Bay, where it acts as a predator on certain species. Particularly, it has been found to prey on the amphipod Apocorophium lacustre.^[3]

References

^ "WoRMS - World Register of Marine Species - Euplana gracilis Girard, 1853". www.marinespecies.org. Retrieved 2023-09-04.
^ Hyman, Libbie H. (1939). "Some Polyclads of the New England Coast, Especially of the Woods Hole Region". The Biological Bulletin. 76 (2): 127–152. doi:10.2307/1537854. ISSN 0006-3185. JSTOR 1537854.
^ Janiak, Dean S.; Adams, Julia N.; Rubinoff, Benjamin; Osman, Richard W. (2017). "Predator-Prey Interactions of the Polyclad, Euplana gracilis, and the Amphipod, Apocorophium lacustre, in the Chesapeake Bay". Estuaries and Coasts. 40 (2): 513–521. doi:10.1007/s12237-016-0148-3. ISSN 1559-2723. S2CID 54674933.

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[worms-1] "WoRMS - World Register of Marine Species - Euplana gracilis Girard, 1853". www.marinespecies.org. Retrieved 2023-09-04.

[hyman1939-2] Hyman, Libbie H. (1939). "Some Polyclads of the New England Coast, Especially of the Woods Hole Region". The Biological Bulletin. 76 (2): 127–152. doi:10.2307/1537854. ISSN 0006-3185. JSTOR 1537854.

[janiak2017-3] Janiak, Dean S.; Adams, Julia N.; Rubinoff, Benjamin; Osman, Richard W. (2017). "Predator-Prey Interactions of the Polyclad, Euplana gracilis, and the Amphipod, Apocorophium lacustre, in the Chesapeake Bay". Estuaries and Coasts. 40 (2): 513–521. doi:10.1007/s12237-016-0148-3. ISSN 1559-2723. S2CID 54674933.

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