Fish Identification

Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Raninidae frog crabs (See list of species below)

Select Ocean (marine/brackish) or Continent (freshwater):

Select Country (optional):

Total number of spines in dorsal and anal fins (optional)

13 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)

No picture found Lyreidus tridentatus []	No picture found Notopoides latus []	No picture found Notopus dorsipes []
No picture found Notosceles chimmonis []	No picture found Notosceles pepeke []	No picture found Notosceles viaderi []
No picture found Ranilia constricta [Sicklefoot frog crab]	No picture found Ranilia muricata [Muricate frog crab]	Ranina ranina [Spanner crab]
No picture found Raninoides lamarcki []	No picture found Raninoides loevis [Furrowed frog crab]	No picture found Raninoides louisianensis [Gulf frog crab]
No picture found Symethis variolosa [Eroded frog crab]

13 Species of Family Raninidae
(frog crabs)

Sort by: Species Length

Scientific Name	English Name	Distribution	Max. Length (cm)
Lyreidus tridentatus		Western Pacific
Notopoides latus		Indo-Pacific
Notopus dorsipes		Indo-West Pacific and the
Notosceles chimmonis		Indo-Pacific.
Notosceles pepeke		Southwest Pacific
Notosceles viaderi		Indo-Pacific.
Ranilia constricta	Sicklefoot frog crab	Eastern Atlantic Ocean.
Ranilia muricata	Muricate frog crab	Western Atlantic Ocean.
Ranina ranina	Spanner crab	Indo-Pacific	17.5 CL
Raninoides lamarcki		Western Central Atlantic.
Raninoides loevis	Furrowed frog crab	Western Atlantic Ocean.
Raninoides louisianensis	Gulf frog crab	Western Atlantic Ocean.
Symethis variolosa	Eroded frog crab	Western Atlantic Ocean.

Other identification tools in SeaLifeBase

Quick Identification

Identification keys

Identification by morphometrics

Identification by pictures:

          If you already know the Family, go to Search SeaLifeBase, select Family and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the family.

          If you already know the Country, go to Search SeaLifeBase, select Country and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the country.

          If you already know the Ecosystem, go to Search SeaLifeBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the ecosystem.