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Non-fish Identification: Find Species

Family: Mactridae trough shells (See list of species below)

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



106 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
No picture found

Anatina anatina
[smooth duckclam]
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Crassula aequilatera
[]
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Cyclomactra ovata
[oval trough shell]
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Cyclomactra tristis
[]
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Darina solenoides
[]


Eastonia rugosa
[]
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Heterocardia elliptica
[]
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Labiosa vitrea
[glassy mactra]
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Lutraria alderi
[]


Lutraria angustior
[]
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Lutraria arcuata
[]
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Lutraria australis
[]
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Lutraria bruuni
[]
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Lutraria elongata
[elongate mactra]
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Lutraria impar
[]


Lutraria lutraria
[mud-dwelling mactra]


Lutraria magna
[]
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Lutraria maxima
[]
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Lutraria philippinarum
[]
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Lutraria rhynchaena
[]


Mactra achatina
[agate troughshell]
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Mactra aphrodina
[]
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Mactra chemnitzii
[]
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Mactra chinensis
[sunray surf clam]
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Mactra crossii
[]


Mactra cuneata
[wedge trough shell]


Mactra fragilis
[fragile mactra clam]
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Mactra gigas
[]
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Mactra glabrata
[smooth mactra]


Mactra glauca
[grey rough shell]
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Mactra guidoi
[]
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Mactra inaequalis
[]
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Mactra incarnata
[]
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Mactra inceri
[]
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Mactra isabelleana
[]
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Mactra janeiroensis
[]
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Mactra largillierti
[Largilliert's mactra]
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Mactra lilacea
[]


Mactra luzonica
[Luzon troughshell]


Mactra maculata
[maculated troughshell]
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Mactra marplatensis
[]


Mactra mera
[plain troughshell]
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Mactra miskito
[]
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Mactra mitis
[]
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Mactra nitida
[polished mactra]
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Mactra nucleus
[]
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Mactra olorina
[]
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Mactra ordinaria
[]
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Mactra patagonica
[]
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Mactra petitii
[]
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Mactra quadrangularis
[venus mactra]
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Mactra rostrata
[rostrate mactra]


Mactra stultorum
[rayed trough-shell]
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Mactra subrostrata
[]


Mactra violacea
[violet troughshell]


Mactrellona alata
[Caribbean winged mactra]
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Mactrellona iheringi
[]
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Mactrinula angulifera
[]
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Mactrinula depressa
[]
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Mactrinula dolabrata
[hoe surf clam]
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Mactrinula reevei
[]
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Mactromeris polynyma
[Arctic surfclam]
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Mactrotoma californica
[California surfclam]
No picture found

Mactrotoma fragilis
[fragile surfclam]
No picture found

Mactrotoma ovalina
[]
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Mactrotoma surinamensis
[]
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Mactrotoma velata
[concealed surf clam]


Meropesta capillacea
[maidenhair mactra]
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Meropesta nicobarica
[]


Meropesta pellucida
[pellucid mactra]
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Meropesta sinojaponica
[]
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Mulinia byronensis
[]
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Mulinia cleryana
[]
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Mulinia edulis
[]
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Mulinia lateralis
[dwarf surfclam]
No picture found

Mulinia levicardo
[]
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Mulinia pontchartrainensis
[]
No picture found

Oxyperas belliana
[]
No picture found

Oxyperas bernardi
[Bernard's venus]
No picture found

Oxyperas elongata
[long trough shell]
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Oxyperas lentiginosa
[]
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Raeta lactea
[]
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Raeta pellicula
[]
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Raeta plicatella
[channeled duckclam]


Rangia cuneata
[Atlantic rangia]
No picture found

Resania lanceolata
[lance mactra]
No picture found

Scalpomactra scalpellum
[]
No picture found

Simomactra falcata
[hooked surfclam]
No picture found

Spisula aequilatera
[]


Spisula discors
[discors trough shell]
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Spisula elliptica
[elliptical trough shell]
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Spisula murchisoni
[]
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Spisula ovalis
[]
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Spisula petitii
[]
No picture found

Spisula raveneli
[southern surfclam]
No picture found

Spisula sachalinensis
[Sakhalin surf clam]


Spisula solida
[solid surf clam]


Spisula solidissima
[Atlantic surfclam]


Spisula subtruncata
[subtruncate surf clam]
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Spisula subtruncatula
[]
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Spisula trigonella
[]
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Tanysiphon rivalis
[]


Tresus capax
[fat gaper]
No picture found

Tresus keenae
[Japanese horse clam]


Tresus nuttallii
[Pacific gaper]
No picture found

Zenatia acinaces
[scimitar mactra]
106 Species of Family Mactridae
(trough shells)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Anatina anatina smooth duckclam North America. 4.4 DL
Crassula aequilatera Southwest Pacific
Cyclomactra ovata oval trough shell Southwest Pacific
Cyclomactra tristis Southwest Pacific
Darina solenoides Southeast Pacific and Sou
Eastonia rugosa Mediterranean Sea.
Heterocardia elliptica Western Pacific
Labiosa vitrea glassy mactra Eastern Central Atlantic
Lutraria alderi Northeast Atlantic
Lutraria angustior Northeast Atlantic and th 5.115 SHL
Lutraria arcuata Western Pacific.
Lutraria australis Indo-West Pacific.
Lutraria bruuni Southwest Pacific
Lutraria elongata elongate mactra Eastern Atlantic
Lutraria impar Western Central Pacific
Lutraria lutraria mud-dwelling mactra Southeast Atlantic, Easte
Lutraria magna Indo-Pacific and Mediterr
Lutraria maxima Western Pacific
Lutraria philippinarum Indo-West Pacific
Lutraria rhynchaena Eastern Indian Ocean
Mactra achatina agate troughshell Indo-West Pacific 7.5 SHL
Mactra aphrodina Western Pacific
Mactra chemnitzii Western Pacific
Mactra chinensis sunray surf clam Northwest Pacific.
Mactra crossii Northwest Pacific
Mactra cuneata wedge trough shell Indo-West Pacific 4 SHL
Mactra fragilis fragile mactra clam Western Atlantic
Mactra gigas Western Atlantic. 10.9 DL
Mactra glabrata smooth mactra Eastern Atlantic and the
Mactra glauca grey rough shell Northeast Atlantic and th 10.99 SHL
Mactra guidoi Southwest Atlantic
Mactra inaequalis Western Pacific
Mactra incarnata Eastern Indian Ocean
Mactra inceri Western Atlantic. 3.6 DL
Mactra isabelleana Western Atlantic 6.1 DL
Mactra janeiroensis Western Atlantic 3.1 DL
Mactra largillierti Largilliert's mactra Eastern Atlantic
Mactra lilacea Western Indian Ocean and
Mactra luzonica Luzon troughshell Indo-West Pacific 5 SHL
Mactra maculata maculated troughshell Indo-West Pacific 7.5 SHL
Mactra marplatensis Western Atlantic. 3 DL
Mactra mera plain troughshell Western Pacific 9 SHL
Mactra miskito Western Central Atlantic 3 DL
Mactra mitis Eastern Indian Ocean
Mactra nitida polished mactra Eastern Atlantic and the
Mactra nucleus Western Atlantic.
Mactra olorina Mediterranean Sea.
Mactra ordinaria Southwest Pacific
Mactra patagonica Western Atlantic. 6 DL
Mactra petitii Western Atlantic. 3 DL
Mactra quadrangularis venus mactra Western Pacific.
Mactra rostrata rostrate mactra Eastern Central Atlantic
Mactra stultorum rayed trough-shell Northeast Atlantic and th 6.353 SHL
Mactra subrostrata Western Pacific
Mactra violacea violet troughshell Western Central Pacific; 9.5 SHL
Mactrellona alata Caribbean winged mactra Western Atlantic and East 10 NG
Mactrellona iheringi Western Central Atlantic 6.5 DL
Mactrinula angulifera Western Pacific
Mactrinula depressa Western Pacific.
Mactrinula dolabrata hoe surf clam Western Pacific.
Mactrinula reevei Western Pacific
Mactromeris polynyma Arctic surfclam Northeast Pacific and the 14 SL
Mactrotoma californica California surfclam Northeast Pacific. 4.8 SHL
Mactrotoma fragilis fragile surfclam North America. 9.4 DL
Mactrotoma ovalina Western Indian Ocean
Mactrotoma surinamensis Western Central Atlantic
Mactrotoma velata concealed surf clam East Pacific. Subtropica
Meropesta capillacea maidenhair mactra Indo-West Pacific 6.5 SHL
Meropesta nicobarica Western Pacific.
Meropesta pellucida pellucid mactra Indo-West Pacific 6 SHL
Meropesta sinojaponica Western Pacific.
Mulinia byronensis Southeast Pacific and Sou
Mulinia cleryana Western Atlantic 3.2 DL
Mulinia edulis Southeast Pacific and Sou 6.3 DL
Mulinia lateralis dwarf surfclam Western Atlantic Ocean. 1.5 DL
Mulinia levicardo Southeast Pacific
Mulinia pontchartrainensis Western Atlantic.
Oxyperas belliana Southwest Pacific
Oxyperas bernardi Bernard's venus Western Pacific
Oxyperas elongata long trough shell Southwest Pacific
Oxyperas lentiginosa Western Pacific
Raeta lactea Western Pacific
Raeta pellicula Indo-West Pacific.
Raeta plicatella channeled duckclam North America. 7 DL
Rangia cuneata Atlantic rangia Western Atlantic 5 TL
Resania lanceolata lance mactra Southwest Pacific
Scalpomactra scalpellum Southwest Pacific
Simomactra falcata hooked surfclam Northeast Pacific 9 SHL
Spisula aequilatera Southwest Pacific
Spisula discors discors trough shell Southwest Pacific
Spisula elliptica elliptical trough shell Atlantic Ocean and the Me
Spisula murchisoni Southwest Pacific
Spisula ovalis Northeast Atlantic
Spisula petitii Western Central Atlantic
Spisula raveneli southern surfclam North America.
Spisula sachalinensis Sakhalin surf clam Northwest Pacific
Spisula solida solid surf clam Eastern Atlantic and the 5 SHL
Spisula solidissima Atlantic surfclam Western Atlantic Ocean. 20 TL
Spisula subtruncata subtruncate surf clam Eastern Atlantic and the 3 SHL
Spisula subtruncatula Mediterranean Sea.
Spisula trigonella Indo-West Pacific
Tanysiphon rivalis Eastern Indian Ocean.
Tresus capax fat gaper Eastern Pacific 18 SHL
Tresus keenae Japanese horse clam Northwest Pacific
Tresus nuttallii Pacific gaper Eastern Pacific 22.5 SHL
Zenatia acinaces scimitar mactra Southwest Pacific



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