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Stigmatopora harastii, a new species of pipefish in facultative associations with finger sponges and red algae from New South Wales, Australia (Teleostei, Syngnathidae)
ZooKeys ( IF 1.3 ) Pub Date : 2020-11-17 , DOI: 10.3897/zookeys.994.57160
Graham Short , Andrew Trevor-Jones

A new species of pipefish, Stigmatopora harastiisp. nov., is described based on the male holotype and two female paratypes, 136.3–145.5 mm SL, collected from red algae (sp.?) at 12 meters depth in Botany Bay, New South Wales (NSW), Australia. The new taxon shares morphological synapomorphies with the previously described members of Stigmatopora, including principle body ridges, fin placement, slender tail, and absence of a caudal fin. It is morphologically and meristically similar to Stigmatopora nigra, including snout length and shape, dorsal-fin origin on 6th–7th trunk ring, and lateral trunk ridge terminating on the first tail ring. Stigmatopora harastiisp. nov. is distinguished from its congeners, however, by characters of the head and first trunk ring, distinct sexual dimorphic markings on sides and venter of anterior trunk rings, and red background coloration in life. The new taxon can be further differentiated by genetic divergence in the mitochondrial COI gene (uncorrected p-distances of 9.8%, 10.1%, 10.7%, and 14.6%, from S. argus, S. macropterygia, S. narinosa, and S. nigra, respectively). The type locality is characterised by semi-exposed deep-water sandy areas interspersed with boulders, flat reefs, and an absence of seagrass beds, in which S. harastii has been observed living in facultative associations with a finger sponge and red algae at depths of 10–25 meters, compared to the shallow coastal and estuarine habitats preferred by the fucoid algae and seagrass-associating members of Stigmatopora. Stigmatopora harastiisp. nov. represents the fourth species of Stigmatopora recorded in temperate southern Australia.

中文翻译:

Stigmatopora harastii,一种新的鳞翅目鱼类,与指状海绵和红藻在澳大利亚新南威尔士州(Teleostei,Syngnathidae)具有兼职联系

pipe鱼的新种,Stigmatopora harastiisp。nov。是根据从澳大利亚新南威尔士州(Bostony Bay)的12米深的红藻(sp。)收集的雄性同型和两种雌性同型136.3–145.5 mm SL进行描述的。新的分类单元与之前描述的Stigmatopora成员具有形态上的同形同形,包括主要的身体脊,鳍的放置,细长的尾巴和尾鳍的缺失。它的形态和分生特征与黑头古猿相似,包括口鼻的长度和形状,背鳍起源于第6至第7个躯干环以及侧向躯干脊终止于第一个尾环。柱头花 十一月 与同类动物的区别在于头部和第一个躯干环的特征,前躯干环的侧面和通风口处有明显的性二形标记,和红色的背景色彩在生活中。线粒体COI基因的遗传差异可以进一步区分新的分类单元(未校正的p距离分别为argus,S。macropterygia,S。narinosa和S.的9.8%,10.1%,10.7%和14.6%)。老黑)。该类型区域的特征是半裸露的深水沙质区域散布着巨石,平坦的礁石,并且没有海草床,其中观察到S. harastii生活在兼性的协会中,其手指海绵和红藻在海底深处。 10-25米,相比之下,柱头藻的岩藻藻类和海草相关成员更喜欢浅海和河口生境。柱头花 十一月 代表澳大利亚温带南部记录的柱头目第四种。线粒体COI基因的遗传差异可以进一步区分新的分类单元(未校正的p距离分别为argus,S。macropterygia,S。narinosa和S.的9.8%,10.1%,10.7%和14.6%)。老黑)。该类型区域的特征是半裸露的深水沙质区域散布着巨石,平坦的礁石,并且没有海草床,其中观察到S. harastii生活在兼性的协会中,其手指海绵和红藻在海底深处。 10-25米,相比之下,柱头藻的岩藻藻类和海草相关成员更喜欢浅海和河口生境。柱头花 十一月 代表澳大利亚温带南部记录的柱头目第四种。线粒体COI基因的遗传差异可以进一步区分新的分类单元(未校正的p距离分别为argus,S。macropterygia,S。narinosa和S.的9.8%,10.1%,10.7%和14.6%)。老黑)。该类型区域的特征是半裸露的深水沙质区域散布着巨石,平坦的礁石,并且没有海草床,其中观察到S. harastii生活在兼性的协会中,其手指海绵和红藻在海底深处。 10-25米,相比之下,柱头藻的岩藻藻类和海草相关成员更喜欢浅海和河口生境。柱头花 十一月 代表澳大利亚温带南部记录的柱头目第四种。
更新日期:2020-11-17
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