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Red-spotted swimming crab
species_info
english title
:
Red-spotted swimming crab
scientific_name
:
Portunus sanguinolentus
DIVISION
:
Arthropoda
subphylum
:
Crustacea
class
:
Malacostraca
orders
:
Decapoda
family
:
Portunidae
genus
:
Portunus
species
:
sanguinolentus
scientific_name_pub_year
:
1783
scientific_name_pub_doc
:
(Herbst, 1783)
species_author
:
Herbst
common name
common name english
:
Three-spot swimming crab
collection_content
collection_locality
country_id
:
TWN
country_en
:
Republic of China
subdivision_1_en
:
Taipei Prefecture
subdivision_2_en
:
Keelung District
subdvision_3_en
:
Keelung
locality_en
:
Xiandong,Keelung,Keelung District,Taipei Prefecture
latitude_value
:
25.144508
latitude_direction
:
N
longitude_value
:
121.749674
longitude_direction
:
E
collection_info
collection_date
:
1922.08.08
Collection Date
:
1922/08/08
quantity
:
1
collection_record
catalog no
:
TMCD000060
CAT_NO
:
CR.0060
gdesc_info
GDESC
:
頭胸甲梭子狀,微隆,前半部具顆粒,後半部光滑。額具四齒,中央兩齒略低平。眼窩背緣鋸齒狀。前側緣含眼窩外齒共九齒,未齒呈大棘向側方突出。螫足長大,長節前緣具三刺,腕節內外緣各具一銳刺。通體黃綠色,背甲後半部具三個卵圓形暗紅斑點,並有乳白色暈圍繞。螫指基部內側面有棕紅色斑,兩指白色或棕紅色。俗名: 三點仔、三目公仔。為大型重要經濟食用種
廣分布於印度一西太平洋海域。成蟹棲息於10~60公尺的沙泥底,幼蟹則可出現於潮間帶水灘。整年可見抱卵母蟹。
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