33:
894:
358:
589:
379:, with a leg span of 20 mm. The carapace is grey-brown and almost circular, marked with a set of grooves forming an H-shape with the two uprights bending outwards, and the whole animal is covered in
427:, but occasionally to 0.1–9.6‰. It can be found living amongst detritus and vegetation in the shaded edges of rivers and lakes. Remains of both animals and plants have been found in the gut contents of
833:
314:
is the only freshwater crab, and is found in a variety of habitats, including lakes, slow-flowing streams and larger rivers. It is found from the lower reaches of the
1037:
918:
1106:
248:
and nearby islands, where it lives in water of various salinities. It grows up to 10 mm (0.4 in) wide, with an H-shaped groove on its back. It is an
1111:
408:
has indirect development, including free-swimming larvae. Hatchlings are carried under the female's tail until they are large enough to feed independently.
1011:
1116:
873:
664:
632:
732:
1073:
537:
927:
684:
985:
824:
580:
545:
463:
176:
396:
in 1970, but only mature females can be identified to the species level. The main difference between the two is that
790:
624:
559:
507:
388:
976:
617:
Zoological catalogue of
Australia: Crustacea: Malocostraca: Eucarida (Part 2), Decapoda: Anomura, Brachyura
938:
766:
159:
136:
1078:
1052:
288:
828:
584:
296:
899:
797:
185:
40:
1042:
1101:
1060:
998:
911:
869:
865:
728:
660:
628:
538:"Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world"
1065:
861:
853:
806:
656:
620:
338:
319:
990:
292:
123:
32:
754:
810:
342:
856:
The waterbug book: a guide to the freshwater macroinvertebrates of temperate
Australia
781:
1095:
854:
323:
315:
1003:
554:
475:
345:, where it was first found at an altitude of "about 3,000 ft" (900 m) on
87:
893:
357:
1024:
970:
651:
Gary C. B. Poore & Shane T. Ahyong (2004). "Hymenosomatidae MacLeay, 1838".
471:
467:
346:
307:
261:
245:
961:
852:
John
Gooderham; Edward Tsyrlin (2002). "False spider crabs (Hymenosomatidae)".
889:
480:
334:
300:
234:
75:
696:
280:
241:
63:
955:
653:
Marine decapod
Crustacea of southern Australia: a guide to identification
490:
440:
436:
432:
420:
419:
lives in estuarine, freshwater and shallow subtidal habitats, usually in
376:
327:
284:
265:
253:
249:
99:
1016:
585:"A fresh-water crab, and its distribution in Australia and New Zealand"
424:
230:
1029:
51:
932:
375:
grows to a maximum size of 10 millimetres (0.39 in) across the
503:
444:
401:
356:
368:) in Chilton's 1914 description of a specimen from Norfolk Island
590:
Transactions and
Proceedings of the Royal Society of New Zealand
380:
257:
237:
111:
936:
536:
Peter K. L. Ng; Danièle Guinot & Peter J. F. Davie (2008).
619:. Volume 19 of Zoological catalogue of Australia, Australia.
782:"Breeding experiments to distinguish two sibling species of
400:
has "direct development", in which there are no free-living
466:
in 1882, based on a single juvenile female collected from
834:
Transactions and
Proceedings of the New Zealand Institute
727:. New Zealand: Wet Sock Publications. pp. 105–106.
945:
478:. The species was later transferred to the genera
333:The species is also found on small islands in the
268:, and is the only freshwater crab in New Zealand.
755:"Brachyura and crab-like Anomura of New Zealand"
575:
573:
571:
8:
511:
496:
933:
725:The New Zealand Native Freshwater Aquarium
615:P. J. F. Davie (2002). "Hymenosomatidae".
31:
20:
829:"Additions to the New Zealand Crustacea"
748:
746:
744:
678:
676:
646:
644:
610:
608:
606:
604:
525:
1107:Freshwater crustaceans of New Zealand
7:
1053:a1970bfc-607b-451b-97ab-9771d535de7a
718:
716:
714:
531:
529:
1112:Freshwater crustaceans of Australia
685:"Freshwater Crab (Hymenosomatidae:
322:, with a notable population in the
811:10.1111/j.1469-7998.1970.tb02905.x
693:New Zealand Native Freshwater Life
14:
506:meaning "not the sea", while the
892:
279:is widespread in south-eastern
299:. It reaches as far inland as
1:
1117:Crustaceans described in 1882
260:. It was first discovered in
386:The closely related species
926:life stages photography at
546:Raffles Bulletin of Zoology
488:, and then to a new genus,
1133:
759:Leigh Laboratory Bulletin
625:Bureau of Flora and Fauna
192:
184:
165:
158:
41:Scientific classification
39:
30:
23:
723:McQueen, Stella (2010).
458:was first described (as
786:(Crustacea, Brachyura)"
553:: 1–286. Archived from
767:University of Auckland
512:
497:
369:
212:Halicarcinus lacustris
360:
780:J. S. Lucas (1970).
753:C. L. McLay (1988).
699:on November 16, 2010
659:. pp. 390–397.
627:. pp. 240–248.
502:is derived from the
494:, in 1980. The name
366:Hymenosoma lacustris
289:Murray-Darling basin
215:(Chilton, 1882)
207:(Chilton, 1882)
204:Hymenosoma lacustris
915:Critter of the Week
392:was separated from
991:Amarinus_lacustris
977:Amarinus lacustris
947:Amarinus lacustris
924:Amarinus lacustris
908:Amarinus lacustris
900:Crustaceans portal
798:Journal of Zoology
687:Amarinus lacustris
683:Clint McCullough.
517:means "of lakes".
370:
362:Amarinus lacustris
226:Amarinus lacustris
199:Chilton, 1882
169:Amarinus lacustris
25:Amarinus lacustris
1089:
1088:
1061:Open Tree of Life
939:Taxon identifiers
875:978-0-643-06668-7
666:978-0-643-06906-0
634:978-0-643-05677-0
460:Elamena lacustris
451:Taxonomic history
222:
221:
216:
208:
200:
196:Elamena lacustris
151:A. lacustris
1124:
1082:
1081:
1069:
1068:
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862:CSIRO Publishing
859:
849:
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815:
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771:
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750:
739:
738:
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695:. Archived from
680:
671:
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657:CSIRO Publishing
648:
639:
638:
621:CSIRO Publishing
612:
599:
598:
577:
566:
565:
563:
542:
533:
515:
508:specific epithet
500:
431:, indicating an
406:A. paralacustris
404:stages, whereas
389:A. paralacustris
339:Lord Howe Island
252:and is eaten by
214:
206:
198:
171:
35:
21:
1132:
1131:
1127:
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941:
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851:
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825:Charles Chilton
823:
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581:Charles Chilton
579:
578:
569:
557:
540:
535:
534:
527:
523:
464:Charles Chilton
453:
443:and introduced
414:
355:
293:South Australia
274:
180:
173:
167:
154:
140:
126:
124:Hymenosomatidae
114:
102:
90:
78:
66:
54:
17:
16:Species of crab
12:
11:
5:
1130:
1128:
1120:
1119:
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1109:
1104:
1094:
1093:
1087:
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886:External links
884:
882:
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844:
816:
805:(2): 267–278.
772:
740:
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710:
672:
665:
640:
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564:on 2011-06-06.
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343:Norfolk Island
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910:discussed on
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160:Binomial name
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919:15 June 2018
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855:
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784:Halicarcinus
783:
775:
762:
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724:
701:. Retrieved
697:the original
692:
686:
652:
616:
594:
588:
555:the original
550:
544:
510:
495:
489:
486:Halicarcinus
485:
479:
476:North Island
459:
456:A. lacustris
455:
454:
429:A. lacustris
428:
417:A. lacustris
416:
415:
405:
398:A. lacustris
397:
394:A. lacustris
393:
387:
385:
373:A. lacustris
372:
371:
365:
361:
332:
312:A. lacustris
311:
305:
303:, Victoria.
277:A. lacustris
276:
275:
272:Distribution
225:
224:
223:
211:
203:
195:
168:
166:
150:
149:
135:
107:Infraorder:
88:Malacostraca
24:
18:
1025:iNaturalist
971:Wikispecies
864:. pp.
472:New Zealand
468:Lake Pupuke
353:Description
347:Mount Gower
308:New Zealand
262:Lake Pupuke
246:New Zealand
71:Subphylum:
1096:Categories
841:: 171–174.
597:: 316–320.
521:References
481:Hymenosoma
435:diet. Its
433:omnivorous
421:salinities
337:, such as
335:Tasman Sea
301:Lake Colac
235:freshwater
64:Arthropoda
513:lacustris
437:predators
320:Northland
281:Australia
242:Australia
145:Species:
112:Brachyura
76:Crustacea
47:Kingdom:
1102:Majoidea
1043:10524381
962:Q3933635
956:Wikidata
928:Aquarzon
827:(1882).
769:: 1–463.
583:(1914).
498:amarinus
491:Amarinus
441:crayfish
439:include
377:carapace
328:Auckland
297:Victoria
285:Tasmania
266:Auckland
254:crayfish
250:omnivore
186:Synonyms
137:Amarinus
119:Family:
100:Decapoda
59:Phylum:
52:Animalia
1066:2977599
1017:2221582
703:June 4,
412:Ecology
287:to the
283:, from
264:, near
231:species
188:
179:, 1882)
177:Chilton
131:Genus:
95:Order:
83:Class:
1079:441731
1050:NZOR:
1030:506418
872:
731:
663:
631:
423:of 1–6
402:larval
1074:WoRMS
1038:IRMNG
1004:5TYHX
868:–82.
541:(PDF)
504:Latin
462:) by
445:trout
381:setae
326:near
240:from
229:is a
1012:GBIF
870:ISBN
729:ISBN
705:2010
661:ISBN
629:ISBN
484:and
364:(as
341:and
295:and
258:fish
256:and
238:crab
999:CoL
986:AFD
912:RNZ
807:doi
803:160
791:PDF
560:PDF
474:'s
470:on
318:to
306:In
291:in
233:of
1098::
1076::
1063::
1040::
1027::
1014::
1001::
988::
973::
958::
917:,
866:81
860:.
839:14
837:.
831:.
801:.
795:.
765:.
763:22
761:.
757:.
743:^
713:^
691:.
689:)"
675:^
655:.
643:^
623:/
603:^
595:47
593:.
587:.
570:^
551:17
549:.
543:.
528:^
447:.
383:.
349:.
330:.
310:,
244:,
878:.
813:.
809::
793:)
789:(
737:.
707:.
669:.
637:.
562:)
558:(
425:‰
175:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
