''Acanthaxius'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
mud lobster
Thalassinidea is a former infraorder of decapod crustaceans that live in burrows in muddy bottoms of the world's oceans. In Australian English, the littoral thalassinidean ''Trypaea australiensis'' is referred to as the ''yabby'' (a term whic ...
native to the
Indo-Pacific
The Indo-Pacific is a vast biogeographic region of Earth.
In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...
oceans. It has a slender
rostrum which is longer than the
eyestalk
In anatomy, an eyestalk (sometimes spelled eye stalk and also known as an ommatophore) is a protrusion that extends an eye away from the body, giving the eye a better field of view. It is a common feature in nature and frequently appears in fic ...
s, is
spinose and has seven
spines and has a depth range of .
Species
The genus ''Acanthaxius'' includes the following
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
:
*''
Acanthaxius formosa
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
Kensley & Chan, 1998
*''
Acanthaxius garawa
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
Poore & Collins, 2009
*''
Acanthaxius gathaagudu
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
Poore & Collins, 2009
*''
Acanthaxius grandis
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
Kensley & Chan, 1998
*''
Acanthaxius kashimaensis
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific
The Indo-Pacific is a vast biogeographic region of Earth.
In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical w ...
Sakai, 2017
*''
Acanthaxius miyazakiensis
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
(Yokoya, 1933)
*''
Acanthaxius ningaloo
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
Poore & Collins, 2009
*''
Acanthaxius pilocheirus
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
(Sakai, 1987)
*''
Acanthaxius polyacanthus
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
(Miyake & Sakai, 1967)
*''
Acanthaxius sapulo
''Acanthaxius'' is a genus of mud lobster native to the Indo-Pacific oceans. It has a slender rostrum which is longer than the eyestalks, is spinose and has seven spines and has a depth range of .
Species
The genus ''Acanthaxius'' includ ...
''
Poore, 2020
Thee following species were formerly included in ''Acanthaxius'' but have been transferred to other genera:
*''
Amakusaxius amakusanus''
(Miyake & Sakai, 1967)
*''
Guyanacaris caespitosa''
(Squires, 1979)
*''
Guyanacaris hirsutimanus''
(Boesch & Smalley, 1972)
*''
Guyanacaris polychaetes''
Sakai, 1994
*''
Guyanacaris spinosissimus''
(Rathbun, 1906)
*''
Pillsburyaxius clevai''
(Ngoc-Ho, 2006)
*''
Pillsburyaxius gadaletae''
(Ngoc-Ho, 2006)
*''
Pillsburyaxius kirkmilleri''
(Kensley, 1996)
Three species of ''Acanthaxius'' have been found off the
Solomon Islands
Solomon Islands is an island country consisting of six major islands and over 900 smaller islands in Oceania, to the east of Papua New Guinea and north-west of Vanuatu. It has a land area of , and a population of approx. 700,000. Its ca ...
.
References
Thalassinidea
{{Decapod-stub