Search tool	Example of search string in box	What that means to the database
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	Hyl*	Will find all uses of "Hyl . . ." anywhere in a record: e.g., Hylarana, Hyla, Hylidae, Hylinae, Hylaedactyla.
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	*Hyla	Will find all uses of ". . . hyla" anywhere in a record: e.g., Hyla, Hylidae, Plectrohyla, Ptychadena hylaea, Adenomera hylaedactyla
	Hyla	Will find all records that contain stand-alone uses of Hyla: e.g., Hyla, Hyla arenicolor
Strings of words without quotation marks	Lithobates pipiens	Interprets this as "Lithobates OR pipiens" so will find the union of all records that contain either "Lithobates" or "pipiens": e.g., Lithobates omiltemanus, Hylorana pipiens
Strings of word with quotation marks	"Lithobates pipiens"	Interprets this as "Lithobates AND pipiens" so will return all records that have the character string "Lithobates pipiens" anywhere within a record: e.g., all members of the Lithobates pipiens complex.
AND statement. Means that the results of the search must include both words held together by an AND	Lithobates AND pipiens	Same as "Lithobates pipiens"
OR statement. Means that the results of the search will all records that have either of the terms held together by an OR	Lithobates OR "Costa Rica"	Recovers all records that contain the word "Lithobates" or "Costa Rica": 402 records inasmuch as this will include all records for the entire amphibian fauna of Costa Rica
Combining Boolean operators within the Basic Search box (AND, OR, NOT, quotation marks)	Lithobates AND "Costa Rica" NOT forreri	Recovers only records that contain the word Lithobates AND "Costa Rica", but excludes any record that contains the word "forreri" in any part of the record: 9 records
Printable HELP file

Search tool	Example of search string in box	What that means to the database
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	Hyl*	Will find all uses of "Hyl . . ." anywhere in a record: e.g., Hylarana, Hyla, Hylidae, Hylinae, Hylaedactyla.
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	*Hyla	Will find all uses of ". . . hyla" anywhere in a record: e.g., Hyla, Hylidae, Plectrohyla, Ptychadena hylaea, Adenomera hylaedactyla
Single word	Hyla	Will find all records that contain stand-alone uses of Hyla: e.g., Hyla, Hyla arenicolor
Strings of words without quotation marks	Lithobates pipiens	Interprets this as "Lithobates OR pipiens" so will find the union of all records that contain either "Lithobates" or "pipiens": e.g., Lithobates omiltemanus, Hylorana pipiens
Strings of word with quotation marks	"Lithobates pipiens"	Interprets this as "Lithobates AND pipiens" so will return all records that have the character string "Lithobates pipiens" anywhere within a record: e.g., all members of the Lithobates pipiens complex.
AND statement. Means that the results of the search must include both words held together by an AND	Lithobates AND pipiens	Same as "Lithobates pipiens"
OR statement. Means that the results of the search will all records that have either of the terms held together by an OR	Lithobates OR "Costa Rica"	Recovers all records that contain the word "Lithobates" or "Costa Rica": 402 records inasmuch as this will include all records for the entire amphibian fauna of Costa Rica
Combining Boolean operators within the Basic Search box (AND, OR, NOT, quotation marks)	Lithobates AND "Costa Rica" NOT forreri	Recovers only records that contain the word Lithobates AND "Costa Rica", but excludes any record that contains the word "forreri" in any part of the record: 9 records
Printable HELP file

Rana pirica Matsui, 1991

Class: Amphibia > Order: Anura > Family: Ranidae > Genus: Rana > Species: Rana pirica

Rana ezoensis Kawamura, Nishioka, Ueda, Borkin, and Wu, 1985, Zool. Sci., Tokyo, 2: 1010. Nomen nudum. Synonymy by Sumida, Ueda, and Nishioka, 2003, Zool. Sci., Tokyo, 20: 578.

Rana pirica Matsui, 1991, Japan. J. Herpetol., 14: 69. Holotype: OMNH Am 9527, by original designation. Type locality: "Nakano-sawa, Minami-ku, Sapporo-shi, Hokkaido Prefecture, Japan (43°00′N, 141°19′E, 300 m a. s. l.)".

Rana (Rana) pirica — Dubois, 1992, Bull. Mens. Soc. Linn. Lyon, 61: 333; Yuan, Zhou, Chen, Poyarkov, Chen, Jang-Liaw, Chou, Matzke, Iizuka, Min, Kuzmin, Zhang, Cannatella, Hillis, and Che, 2016, Syst. Biol., 65: 835.

Rana (Laurasiarana) pirica — Hillis and Wilcox, 2005, Mol. Phylogenet. Evol., 34: 311, by implication; see Dubois, 2006, Mol. Phylogenet. Evol., 42: 317-330, and Hillis, 2007, Mol. Phylogenet. Evol., 42: 331-338, for discussion.

Common Names

Ezo Brown Frog (Matsui, 1991, Japan. J. Herpetol., 14: 260).

Hokkaido Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 109).

Distribution

Hokkaido I., Japan, and Sakhalin and Kurile Is., Russia.

Geographic Occurrence

Natural Resident: Japan, Russia

Comment

In the Rana chensinensis group of the subgenus Rana, section Rana according to Dubois, 1992, Bull. Mens. Soc. Linn. Lyon, 61: 333. Formerly confused with Rana dybowskii and Rana chensinensis. Most closely related to Rana dybowskii and Rana ornativentris according to the original publication. Tanaka, Matsui, and Takenaka, 1994, Zool. Sci., Tokyo, 11: 753-757, discussed the relationships of this species with Rana ornativentris, Rana japonica, Rana tagoi, and Rana sakuraii. See Tanaka-Ueno, Matsui, Sato, Takenaka, and Takenaka, 1998, Japan. J. Herpetol., 17: 91-97, for phylogenetic relationships and discussion. Tanaka-Ueno, Matsui, Sato, Takenaka, and Takenaka, 1998, Zool. Sci., Tokyo, 15: 289-294, noted that the population of brown frogs on Sakhalin were Rana pirica, not Rana dybowskii. Trakimas, Matsui, Nishikawa, and Kasugai, 2003, J. Zool. Syst. Evol. Res., 41: 73-79, noted that allozyme variation is low among Hokkaido and Sakhalin populations. Sumida, Ueda, and Nishioka, 2003, Zool. Sci., Tokyo, 20: 567-580, reported on molecular phylogenetic relationships and reproductive incompatability of this species with other brown frogs in East Asia. Matsui, Bassarukin, Kasugai, Tanabe, and Takenaka, 1994, Alytes, 12: 1-14, reported on the seemingly morphologically intermediate nature of frogs from Sakhalin between Rana pirica and Rana dybowskii. Goris and Maeda, 2004, Guide Amph. Rept. Japan: 84-86, provided an account for Japan, map, and photograph. See comment under Rana dybowskii. Matsui, 1991, Japan. J. Herpetol., 14: 260-284, provided an extensive account for population in Far East Russia. Che, Pang, Zhao, Matsui, and Zhang, 2007, Zool. Sci., Tokyo, 24: 71-80, found Rana pirica to be imbedded within Rana dybowskii on the basis of mtDNA data. Kuzmin and Poyarkov, 2010, Dokl. Biol. Sci., 430: 34–38, reported on cyt c oxidase phylogeny on the mainland and Kurile islands. Kuzmin, 2013, Amph. Former Soviet Union, Ed. 2: 227–230, provided an account for the former USSR. Adnagulov, 2017, Curr. Stud. Herpetol., Saratov, 17ezembed: 95–123, discussed range and taxonomy in Russian Far East. Yang, Zhou, Min, Matsui, Dong, Li, and Fong, 2017, Mol. Phylogenet. Evol., 112: 148–157, reported on the molecular phylogenetics and biogeography of this species within the Rana dybowskii species complex.

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For additional information see AmphibiaWeb report
For information on conservation status and distribution see the IUCN Redlist
For information on distribution, habitat, and conservation see the Map of Life
For related information on conservation and images as well as observations see iNaturalist