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Ranina ranina   (Linnaeus, 1758)

Spanner crab

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Ranina ranina  AquaMaps  Data sources: GBIF OBIS
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Ranina ranina

Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: Kasinathan, C., S. Sukumaran, A. Gandhi, N. Boominathan and M. Rajamani, 2007
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Live specimens in Hong Kong and Taiwan are sold for US$5 to US$10 per kilogram (Ref. 343). C: Refs. 343, 85185, 97244.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ng, P.K.L., 1998
National Database:

Common names from other countries

Asahigani, ... more

Classification / Names / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Decapoda (Lobster, shrimp and crabs) > Raninidae (frog crabs)

Environment: milieu / climate zone / depth range / distribution range Οικολογία

Υφαλόφιλο(α); εύρος βάθους 1 - 200 m (Ref. 343).   Tropical; 35°N - 34°S, 29°E - 139°W

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Εισαγωγές

Indo-Pacific: From East Africa, Japan to Australia and Hawaii.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm 7.2  range ? - 6.19 cm Max length : 17.5 cm CL αρσενικό/απροσδιόριστο; (Ref. 343); 12 cm CL (female); μεγ. δημοσιευμένο βάρος: 900.00 g (Ref. 343); μεγ. δημοσιευμένο βάρος: 900.00 g

Short description Μορφολογία

Carapace very elongate, much longer than broad; anterior part much broader than narrow, posterior waist-like. Abdomen clearly visible from dorsal view. Chelae greatly outsized in males; chelae and legs laterally flattened, spade-like. Color: orange to red overall.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Minimum depth from Ref. 114541. Maximum length (umsexed) from Ref. 85185. Occupies the sublittoral zone (Ref. 77016). Occurs at depths greater than 100 m in open sandy areas (Ref. 343) in which they bury (Ref. 106934). Feeds on a variety of worms and soft shelled mollusks (Ref. 343).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.

Main reference Αναφορές | Συντονιστής | Συνεργάτες

Ng, P.K.L. 1998. (Ref. 343)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses

αλιεία: Εμπορικό(ά)
| FishSource | Η θάλασσα γύρω μας

Εργαλεία

E-book | Οδηγός πεδίου

Διαδικτυακές πηγές

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Δέντρο Ζωής | Wikipedia (Go, αναζήτηση) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 18.2 - 28.8, mean 27.4 (based on 1084 cells).
Ελαστικότητα (Ref. 69278) Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=0.12-0.24).
Prior r = 0.93, 95% CL = 0.61 - 1.40, Based on 2 data-limited stock assessments.
Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.