Many animal societies have dominance hierarchies in which social rank is correlated with size. In such societies, the growth and size of individuals can be a strategic response to their social environment: in fishes, individuals may decrease their growth rate to remain small and retain a subordinate position; in mammals, individuals may increase their growth rate to become large and attain a dominant position—a strategy called competitive growth. Here, we investigate whether the clown anemonefish, Amphiprion percula , exhibits competitive growth also. We show that juvenile clownfish paired with a size-matched reproductive rival increase their growth rate and size relative to solitary controls. Remarkably, paired individuals achieved this, despite being provided with the same amount of food as solitary controls. Our results demonstrate that clownfish are able to increase their growth rate in response to social competition. This study adds to the growing body of evidence that the growth of social vertebrates can be a fine-tuned plastic response to their social environment.
Objectives: African American women are disproportionately impacted upon by HIV, particularly in the Southern states of the USA where the percentage of new cases of HIV and the percentage of people living with HIV in the USA are highest. This study describes the lived experiences of HIV-positive African American women based on their written stories. Design: Naturalistic qualitative design. Setting: Three organisations serving people living with HIV in a Southern state in the USA. Method: HIV-positive African American women 18 years of age and older ( N = 23) recruited from organisations working with people living with HIV were given the opportunity to write their own story following their participation in a semi-structured individual private interview. Content analysis was conducted on the written accounts. Results: Analysis of narratives written by HIV-positive African American women revealed themes of self-actualisation and self-worth. While some stories highlighted experiences of helplessness/hopelessness, most stories were more optimistic in nature, offering advice for prevention and highlighting individual efforts of advocacy and education. Stories also touched on risk/protective behaviour and women’s acknowledgement of their own responsibility in their HIV status. Conclusion: Strengths and resources are expressed in stories, as well as the acknowledgement of stressors associated with HIV. These within-culture narratives may be useful in programmes and interventions to inform culturally resonant prevention efforts and promote self-management activities among women living with HIV.
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