| Subject | English | Spanish |
| nat.res. | Alaska deepsea crab | cangrejo japonés (Paralithodes camtschatica) |
| rem.sens. | angle of crab | ángulo de deriva |
| ichtyol. | Antarctic king crab | centolla antártica Paralomis spinosissima |
| life.sc., fish.farm. | Antarctic King crab | centolla redonda (Paralomis formosa) |
| nat.sc., agric. | Atlantic rock crab | jaiba de roca amarilla (Cancer irroratus (Say)) |
| ichtyol. | batwing coral crab | cangrejo moro Carpilius corallinus |
| nat.sc., agric. | black stone crab | cangrejo de piedra negro (Menippe mercenaria) |
| ichtyol. | blotched swimming crab | jaiba de manchas blancas Portunus spinimanus |
| nat.sc., agric. | blue crab | cangrejo azul (Callinectes sapidus) |
| fish.farm. | blue crab | cangrejo azul (Callinectes sapidus) |
| nat.sc., agric. | blue crab | jaiba azul (Callinectes sapidus(Rathbun,1896)) |
| ichtyol. | blue land crab | cangrejo de mangle azul Cardisoma guanhumi |
| ichtyol. | channel-clinging crab | cangrejo rey del Caribe Mithrax spinosissimus |
| life.sc., environ., fish.farm. | Chinese crab | cangrejo chino (Eriocheir sinensis) |
| gen. | circular crab runway girder | viga circular del recorrido del carro |
| org.name. | Code of Practice for Crabs | Código de prácticas para los cangrejos |
| nat.res. | common shore crab | cangrejo verde (Carcinus maenas (Linnaeus,1758)) |
| nat.res. | common shore crab | jaiba verde (Carcinus maenas (Linnaeus,1758)) |
| fish.farm. | common shore crab | cangrejo de mar (Carcinus maenas, carcinus mediterraneus) |
| nat.res. | common shore crab | cangrejo atlántico (Carcinus maenas (Linnaeus,1758)) |
| met. | core crab | armadura |
| transp. | crab angle | ángulo de deriva |
| bot. | crab apple | manzano jabi Pirus malus var. acerba |
| bot. | crab apple | manzano montés Pirus malus var. acerba |
| bot. | crab apple | maillo Pirus malus var. acerba |
| bot. | crab apple | manzano silvestre Pirus malus var. acerba |
| fish.farm. | crab cakes | pastelillos de cangrejo |
| mech.eng. | crab drive rack | cremallera de transmisión del carro |
| mech.eng. | crab drive unit | unidad propulsora del carro |
| nat.res. | crab-eating fox | zorro de monte (Dusicyon thous) |
| mech.eng. | crab frame | armazón |
| agric. | crab frozen in sections | centolla congelada en secciones |
| bot. | crab grass | Stenotaphrum secundatum |
| health. | crab louse | ladilla |
| health. | crab louse | piojo del pubis |
| nat.sc., agric. | crab louse | piojo ladilla (Phthirus pubis, Pthirus pubis) |
| med. | crab louse | ladilla (Phthirius pubis, Pediculus pubis) |
| med. | crab louse | Pediculus pubis (Phthirius pubis, Pediculus pubis) |
| med. | crab louse | piojo del pubis (Phthirius pubis, Pediculus pubis) |
| mech.eng. | crab machinery | mecanismo del carro |
| agric. | crab meal | harina de crustáceos |
| nat.sc. | Crab nebula | nebulosa del Cangrejo |
| agric. | crab processed at sea | centolla transformada en el mar |
| astronaut. | Crab Pulsar | pulsar de la nebulosa de Crabe |
| el. | crab rail | rail del carro |
| el. | crab rail | rail del puente |
| mater.sc., mech.eng. | crab rail centres | ancho de vía |
| horticult. | crab's eyes | semillas de abro |
| nat.sc., agric. | crab's-eye vine | peronia ojo de canzero (Abrus precatorius L.) |
| fish.farm. | crab sticks | patas de cangrejo |
| horticult. | crab stock | patrón silvestre para manzana |
| relig. | Crab/the | Cáncer (Cancer) |
| mech.eng. | crab transmission system | sistema de transmisión del carro |
| mech.eng. | crab traversing motion | movimiento de traslación del carro |
| mech.eng. | crab winch | torno para montaje manual |
| mech.eng. | crab winch | cabrestante para montaje manual |
| transp. | crabbing approach | aproximación con abatimiento |
| transp. | crabbing flight | vuelo en derrape |
| transp. | crabbing flight | vuelo con deriva |
| industr., construct. | crabbing machine | máquina fijadora |
| tech., industr., construct. | crabbing machine | máquina para fijación al vapor |
| fish.farm. | crawfish, lobsters, crabs, shrimps and prawns, oysters | langostas, bogavantes, cangrejos, langostinos, carabineros, quisquillas, camarones y ostras |
| life.sc., fish.farm. | deep-sea crabs | cangrejos de altura (Geryonidae) |
| food.ind. | dressed crab | cangrejo preparado |
| fish.farm. | dungeness crab | cangrejo dungeness (Cancer magister) |
| nat.sc., agric. | Dungeness crab | buey del Pacífico (Cancer magister (Dana)) |
| fish.farm. | edible crab | sabago (Cancer pagurus) |
| fish.farm. | edible crab | buey (Cancer pagurus) |
| fish.farm. | edible crab | buey (Cancer pagurus) |
| fish.farm. | edible crab | masera (Cancer pagurus) |
| fish.farm. | edible crab | pato (Cancer pagurus) |
| fish.farm. | edible crab | paguro (Cancer pagurus) |
| fish.farm. | edible crab | jaiba de roca masera (Cancer pagurus) |
| nat.res., fish.farm. | edible crab | buey de mar (Cancer pagurus) |
| nat.res. | European crab spider | araña cangrejo europea (Xysticus cristatus) |
| ichtyol. | flame box crab | cajeta llameante Calappa flammea |
| ichtyol. | flecked box crab | cajeta puntillada Hepatus pudibundus |
| nat.sc., agric. | gazami crab | jaiba gazami (Portunus trituberculatus) |
| ichtyol. | ghost crab | cangrejo capuco Ucides cordatus |
| ichtyol. | globose box crab | cajeta globosa Hepatus gronovii |
| nat.res. | green crab | cangrejo verde (Carcinus maenas) |
| nat.res. | green crab | jaiba verde (Carcinus maenas (Linnaeus,1758)) |
| life.sc., fish.farm. | green crab | cangrejo atlántico (Carcinus maenas) |
| nat.res. | green shore crab | cangrejo verde (Carcinus maenas) |
| nat.res. | green shore crab | jaiba verde (Carcinus maenas (Linnaeus,1758)) |
| nat.res. | green shore crab | cangrejo atlántico (Carcinus maenas) |
| nat.sc., agric. | hermit crabs | cangrejos ermitaños (Paguridae) |
| nat.res., fish.farm. | horseshoe crab | limulo (Limulus polyphemus) |
| nat.res. | horseshoe crab | límulo (Limulus polyphemus) |
| nat.res. | horseshoe crab | cangrejo cacerola (Limulus spp) |
| ichtyol. | Indo-Pacific swamp crab | cangrejo de manglares Scylla serrata |
| nat.res. | Japanese crab | cangrejo japonés (Paralithodes camtschatica) |
| nat.sc., agric. | Jonah crab | jaiba de roca Jonás (Cancer borealis) |
| nat.res. | Jonah crabs | bueyes (Cancridae) |
| fish.farm. | king crab | cangrejo ruso (Paralithodes camchatica) |
| nat.res. | king crab | cangrejo japonés (Paralithodes camtschatica) |
| nat.sc., agric. | king crabs | cangrejos rusos (Paralithodes) |
| nat.res. | land-crab | cangrejo de río |
| nat.sc., agric. | marine crabs | cangrejos de mar (Reptantia) |
| life.sc., fish.farm. | marine crabs n.e.i. | cangrejos de mar nep (-) |
| nat.res. | Mediterranean green crab | cangrejo mediterráneo (Carcinus aestuarii, Carcinus mediterraneus) |
| nat.res. | Mediterranean green crab | cangrejo verde del Mediterráneo (Carcinus aestuarii (Nardo), Carcinus mediterraneus) |
| nat.res. | Mediterranean shore crab | cangrejo verde del Mediterráneo (Carcinus aestuaria) |
| life.sc., fish.farm. | Mediterranean shore crab | cangrejo mediterráneo (Carcinus aestuarii, Carcinus mediterraneus) |
| fish.farm. | mitten crab | cangrejo chino (Eriocheir sinensis) |
| mech.eng. | motion of the crab | movimiento del carro-grúa |
| nat.res. | mud crab | cangrejo de fango australiano (Scylla serrata) |
| nat.sc., agric. | Murray king crab | centolla real (Lithodes murrayi) |
| ichtyol. | nodose box crab | cajeta nodosa Calappa angusta |
| ichtyol. | ocellated box crab | cajeta ocelada Calappa ocellata |
| gen. | orange and red crab | cangrejo naranja y rojo |
| life.sc., fish.farm. | ox crab | pato (Cancer pagurus) |
| life.sc., fish.farm. | ox crab | buey de mar (Cancer pagurus) |
| life.sc., fish.farm. | ox crab | jaiba de roca masera (Cancer pagurus) |
| life.sc., fish.farm. | ox crab | buey (Cancer pagurus) |
| life.sc., fish.farm. | ox crab | masera (Cancer pagurus) |
| life.sc., fish.farm. | ox crab | paguro (Cancer pagurus) |
| life.sc., fish.farm. | ox crab | sabago (Cancer pagurus) |
| nat.sc., agric. | Pacific rock crab | jaiba del Pacífico (Cancer productus) |
| fish.farm. | Pacific snow crabs | cangrejos de las nieves (Chionoecetes spp.) |
| life.sc., fish.farm. | queen crab | cangrejo de nieve (Chionoecetes opilio) |
| nat.sc., agric. | queen crab | cangrejo de las nieves (Chionoecetes opilio (Fabricius,1788)) |
| nat.sc., agric. | red crab | geriocangrejo rojo (Geryon quinquedens) |
| life.sc., fish.farm. | red crab | cangrejo rey blanco (Chaceon quinquedens, Geryon quinquedens) |
| fish.farm. | red crab | geriacangrejo rojo (Geryon quinquedens) |
| life.sc., nat.res., fish.farm. | red crab | cangrejo rojo (Chaceon maritae, Geryon maritae) |
| nat.sc., agric. | red crab | cangrejo colorado (Geryon quinquedens) |
| nat.sc., agric. | red crabs | cangrejos rojos (Geryon) |
| life.sc., fish.farm. | red deepsea crab | cangrejo rey blanco (Chaceon quinquedens, Geryon quinquedens) |
| life.sc., fish.farm. | red deepsea crab | geriocangrejo rojo (Chaceon quinquedens, Geryon quinquedens) |
| life.sc., fish.farm. | red deepsea crab | cangrejo colorado (Chaceon quinquedens, Geryon quinquedens) |
| ichtyol. | redeye sponge crab | cangrejo esponjoso Dromia erythropus |
| nat.res. | rock crabs | bueyes (Cancridae) |
| life.sc., fish.farm. | rock crabs | cangrejos (Cancridae) |
| ichtyol. | rugose swim-crab | jaiba rugosa Callinectes exasperatus |
| life.sc., fish.farm. | snow crab | cangrejo de las nieves (Chionoecetes opilio) |
| life.sc., fish.farm. | snow crab | cangrejo de nieve (Chionoecetes opilio) |
| fish.farm. | snow crabs | cangrejos de las nieves (Chionoecetes spp.) |
| life.sc., fish.farm. | softshell red crab | cangrejo blando rojo (Paralomis granulosa) |
| nat.sc., agric. | Southern king crab | centolla chilena (Lithodes antarcticus, Lithodes santolla) |
| nat.sc., agric. | Southern king crab | centolla patagónica (Lithodes antarcticus, Lithodes santolla (Molina)) |
| fish.farm. | Southern spider crab | centolla del sur (Jacquinotia edwardsii) |
| fish.farm. | spider crab | centolla europea (Maja squinado) |
| fish.farm. | spider crab | centolla (Maja squinado) |
| fish.farm. | spider crab | centolla de roca (Maja squinado) |
| fish.farm. | spider crab | centollo (Maja squinado (Herbst,1788)) |
| life.sc., fish.farm. | spinous spider crab | centolla de roca (Maja squinado) |
| life.sc., fish.farm. | spinous spider crab | centolla europea (Maja squinado) |
| fish.farm. | spinous spider crab | centolla (Jacquinotia edwardsii, Maia squinado) |
| fish.farm. | spinous spider crab | centollo (Maja squinado (Herbst,1788)) |
| life.sc., fish.farm. | spinous spider crab | centolla (Maja squinado) |
| fish.farm. | spiny crab | centolla europea (Maja squinado) |
| fish.farm. | spiny crab | centolla (Maja squinado) |
| fish.farm. | spiny crab | centolla de roca (Maja squinado) |
| fish.farm. | spiny crab | centollo (Maja squinado (Herbst,1788)) |
| nat.sc., agric. | stone king crab | centolla de roca (Lithodes maja (Linnaeus)) |
| nat.sc., agric. | Subantarctic stone crab | centolla real (Lithodes murrayi) |
| fish.farm. | swimming crab | neícora (Ovalipes catharus, Portunus puber, liocarcinus puber) |
| nat.res., fish.farm. | swimming crab | pateixo (Polybius henslowi) |
| life.sc., fish.farm. | swimming crab | nécora (Necora puber, Liocarcinus puber, Macropipus puber) |
| nat.res., fish.farm. | swimming crabs | jaibas (Portunidae, Portunus spp.) |
| life.sc., fish.farm. | Tanner crabs | cangrejos (Chionoecetes spp.) |
| life.sc., fish.farm. | Tanner crabs | cangrejos de las nieves (Chionoecetes spp.) |
| life.sc., fish.farm. | Tanner crabs | cangrejos Pacíficos de las nieves (Chionoecetes spp.) |
| life.sc., fish.farm. | Tanner crabs | cangrejo de las nieves (Chionoecetes spp.) |
| gen. | The crab is walking on the beach | El cangrejo está caminando en la playa |
| gen. | The two crabs are walking on a rock | Los dos cangrejos caminan sobre una piedra |
| mech.eng. | travelling crab | carro de puente grúa |
| fish.farm. | velvet crab | nécora |
| nat.sc., agric. | velvet swimming-crab | jaiba nécora (Liocarcinus puber, Macropipus puber, Necora puber (Linnaeus,1767), Portunus puber) |
| nat.sc., agric. | velvet swimming-crab | andarica (Liocarcinus puber, Macropipus puber, Necora puber (Linnaeus,1767), Portunus puber) |
| nat.sc., agric. | velvet swimming-crab | nécora (Liocarcinus puber, Macropipus puber, Necora puber (Linnaeus,1767), Portunus puber) |
| ichtyol. | yellow box crab | cajeta amarilla Calappa sulcata |
